diff --git a/Gemfile b/Gemfile
index 31a05e4..dd3f214 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-ruby '2.2.0'
+ruby '2.4.0'
 
 gem 'airbrake'
 gem 'autoprefixer-rails'
@@ -19,7 +19,7 @@ gem 'kaminari'
 gem 'pg'
 gem 'puma'
 gem 'pundit'
-gem 'rails', '~> 4.2.0'
+gem 'rails', '~> 5.0.0'
 gem 'redcarpet'
 gem 'responders'
 gem 'rest-client'
@@ -31,6 +31,7 @@ gem 'virtus'
 gem 'yajl-ruby', require: 'yajl'
 gem 'yandex-translator'
 gem 'rack-cors', require: 'rack/cors'
+gem 'webpacker'
 
 group :development do
   gem 'better_errors'
diff --git a/Gemfile.lock b/Gemfile.lock
index 751cb76..1aa208d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,54 +2,56 @@ GEM
   remote: https://rubygems.org/
   remote: https://rails-assets.org/
   specs:
-    actionmailer (4.2.0)
-      actionpack (= 4.2.0)
-      actionview (= 4.2.0)
-      activejob (= 4.2.0)
+    actioncable (5.0.2)
+      actionpack (= 5.0.2)
+      nio4r (>= 1.2, < 3.0)
+      websocket-driver (~> 0.6.1)
+    actionmailer (5.0.2)
+      actionpack (= 5.0.2)
+      actionview (= 5.0.2)
+      activejob (= 5.0.2)
       mail (~> 2.5, >= 2.5.4)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
-    actionpack (4.2.0)
-      actionview (= 4.2.0)
-      activesupport (= 4.2.0)
-      rack (~> 1.6.0)
-      rack-test (~> 0.6.2)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
-      rails-html-sanitizer (~> 1.0, >= 1.0.1)
-    actionview (4.2.0)
-      activesupport (= 4.2.0)
+      rails-dom-testing (~> 2.0)
+    actionpack (5.0.2)
+      actionview (= 5.0.2)
+      activesupport (= 5.0.2)
+      rack (~> 2.0)
+      rack-test (~> 0.6.3)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    actionview (5.0.2)
+      activesupport (= 5.0.2)
       builder (~> 3.1)
       erubis (~> 2.7.0)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
-      rails-html-sanitizer (~> 1.0, >= 1.0.1)
-    activejob (4.2.0)
-      activesupport (= 4.2.0)
-      globalid (>= 0.3.0)
-    activemodel (4.2.0)
-      activesupport (= 4.2.0)
-      builder (~> 3.1)
-    activerecord (4.2.0)
-      activemodel (= 4.2.0)
-      activesupport (= 4.2.0)
-      arel (~> 6.0)
-    activesupport (4.2.0)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.0.3)
+    activejob (5.0.2)
+      activesupport (= 5.0.2)
+      globalid (>= 0.3.6)
+    activemodel (5.0.2)
+      activesupport (= 5.0.2)
+    activerecord (5.0.2)
+      activemodel (= 5.0.2)
+      activesupport (= 5.0.2)
+      arel (~> 7.0)
+    activesupport (5.0.2)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (~> 0.7)
-      json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
-      thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.4.0)
-    airbrake (4.1.0)
-      builder
-      multi_json
-    arel (6.0.0)
-    autoprefixer-rails (5.1.5)
+    addressable (2.5.0)
+      public_suffix (~> 2.0, >= 2.0.2)
+    airbrake (6.0.0)
+      airbrake-ruby (~> 2.0)
+    airbrake-ruby (2.0.0)
+    arel (7.1.4)
+    autoprefixer-rails (6.7.7.1)
       execjs
-      json
     axiom-types (0.1.1)
       descendants_tracker (~> 0.0.4)
       ice_nine (~> 0.11.0)
       thread_safe (~> 0.3, >= 0.3.1)
-    bcrypt (3.1.10)
+    bcrypt (3.1.11)
     better_errors (2.1.1)
       coderay (>= 1.0.0)
       erubis (>= 2.6.6)
@@ -59,10 +61,10 @@ GEM
     bootstrap-kaminari-views (0.0.5)
       kaminari (>= 0.13)
       rails (>= 3.1)
-    bootstrap-switch-rails (3.3.2)
-    bootstrap-wysihtml5-rails (0.3.3.7)
+    bootstrap-switch-rails (3.3.3)
+    bootstrap-wysihtml5-rails (0.3.3.8)
       railties (>= 3.0)
-    builder (3.2.2)
+    builder (3.2.3)
     capistrano (3.0.1)
       i18n
       rake (>= 10.0.0)
@@ -76,70 +78,68 @@ GEM
     capistrano-rbenv (2.0.1)
       capistrano (~> 3.0)
       sshkit (~> 1.3)
-    capybara (2.4.4)
+    capybara (2.13.0)
+      addressable
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
-    celluloid (0.16.0)
-      timers (~> 4.0.0)
     cliver (0.3.2)
-    coderay (1.1.0)
+    coderay (1.1.1)
     coercible (1.0.0)
       descendants_tracker (~> 0.0.1)
-    coffee-rails (4.1.0)
+    coffee-rails (4.1.1)
       coffee-script (>= 2.2.0)
-      railties (>= 4.0.0, < 5.0)
-    coffee-script (2.3.0)
+      railties (>= 4.0.0, < 5.1.x)
+    coffee-script (2.4.1)
       coffee-script-source
       execjs
-    coffee-script-source (1.9.1)
-    colorize (0.7.5)
+    coffee-script-source (1.12.2)
+    concurrent-ruby (1.0.5)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    daemons (1.1.9)
-    database_cleaner (1.4.0)
+    daemons (1.2.4)
+    database_cleaner (1.5.3)
     debug_inspector (0.0.2)
     descendants_tracker (0.0.4)
       thread_safe (~> 0.3, >= 0.3.1)
-    devise (3.4.1)
+    devise (4.2.1)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
-      railties (>= 3.2.6, < 5)
+      railties (>= 4.1.0, < 5.1)
       responders
-      thread_safe (~> 0.1)
       warden (~> 1.2.3)
-    diff-lcs (1.2.5)
+    diff-lcs (1.3)
     docile (1.1.5)
-    domain_name (0.5.20160826)
+    domain_name (0.5.20170223)
       unf (>= 0.0.5, < 1.0.0)
-    dotenv (1.0.2)
-    dotenv-rails (1.0.2)
-      dotenv (= 1.0.2)
-    envied (0.8.1)
+    dotenv (2.2.0)
+    dotenv-rails (2.2.0)
+      dotenv (= 2.2.0)
+      railties (>= 3.2, < 5.1)
+    envied (0.9.0)
       coercible (~> 1.0)
-      rack (~> 1.4)
       thor (~> 0.15)
-    equalizer (0.0.9)
+    equalizer (0.0.11)
     erubis (2.7.0)
-    eventmachine (1.0.5)
-    execjs (2.3.0)
-    factory_girl (4.5.0)
+    eventmachine (1.0.9.1)
+    execjs (2.7.0)
+    factory_girl (4.8.0)
       activesupport (>= 3.0.0)
-    factory_girl_rails (4.5.0)
-      factory_girl (~> 4.5.0)
+    factory_girl_rails (4.8.0)
+      factory_girl (~> 4.8.0)
       railties (>= 3.0.0)
-    ffi (1.9.6)
+    ffi (1.9.18)
     flutie (2.0.0)
-    font-awesome-rails (4.3.0.0)
-      railties (>= 3.2, < 5.0)
+    font-awesome-rails (4.7.0.1)
+      railties (>= 3.2, < 5.1)
     formatador (0.2.5)
-    globalid (0.3.3)
+    globalid (0.3.7)
       activesupport (>= 4.1.0)
-    guard (2.12.4)
+    guard (2.14.1)
       formatador (>= 0.2.4)
-      listen (~> 2.7)
+      listen (>= 2.7, < 4.0)
       lumberjack (~> 1.0)
       nenv (~> 0.1)
       notiffany (~> 0.0)
@@ -147,241 +147,248 @@ GEM
       shellany (~> 0.0)
       thor (>= 0.18.1)
     guard-compat (1.2.1)
-    guard-rspec (4.5.0)
+    guard-rspec (4.7.3)
       guard (~> 2.1)
       guard-compat (~> 1.1)
       rspec (>= 2.99.0, < 4.0)
-    hashdiff (0.3.0)
-    hashie (3.4.0)
+    haml (4.0.7)
+      tilt
+    hashdiff (0.3.2)
+    hashie (3.5.5)
     highlight_js-rails (7.1.0)
       rails (>= 3.1.1)
-    hike (1.2.3)
-    hitimes (1.2.2)
-    http-cookie (1.0.2)
+    http-cookie (1.0.3)
       domain_name (~> 0.5)
-    httparty (0.13.3)
-      json (~> 1.8)
+    httparty (0.14.0)
       multi_xml (>= 0.5.2)
-    i18n (0.7.0)
-    ice_nine (0.11.1)
-    jquery-rails (4.0.3)
-      rails-dom-testing (~> 1.0)
+    i18n (0.8.1)
+    ice_nine (0.11.2)
+    jquery-rails (4.3.1)
+      rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.2)
-    kaminari (0.16.3)
-      actionpack (>= 3.0.0)
-      activesupport (>= 3.0.0)
-    listen (2.8.5)
-      celluloid (>= 0.15.2)
-      rb-fsevent (>= 0.9.3)
-      rb-inotify (>= 0.9)
-    loofah (2.0.1)
+    json (2.0.3)
+    kaminari (1.0.1)
+      activesupport (>= 4.1.0)
+      kaminari-actionview (= 1.0.1)
+      kaminari-activerecord (= 1.0.1)
+      kaminari-core (= 1.0.1)
+    kaminari-actionview (1.0.1)
+      actionview
+      kaminari-core (= 1.0.1)
+    kaminari-activerecord (1.0.1)
+      activerecord
+      kaminari-core (= 1.0.1)
+    kaminari-core (1.0.1)
+    listen (3.1.5)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
+      ruby_dep (~> 1.2)
+    loofah (2.0.3)
       nokogiri (>= 1.5.9)
-    lumberjack (1.0.9)
-    mail (2.6.3)
-      mime-types (>= 1.16, < 3)
-    mailcatcher (0.6.1)
-      activesupport (>= 4.0.0, < 5)
-      eventmachine (~> 1.0.0, <= 1.0.5)
-      mail (~> 2.3)
-      sinatra (~> 1.2)
-      skinny (~> 0.2.3)
-      sqlite3 (~> 1.3)
-      thin (~> 1.5.0)
+    lumberjack (1.0.11)
+    mail (2.6.4)
+      mime-types (>= 1.16, < 4)
+    mailcatcher (0.2.4)
+      eventmachine
+      haml
+      i18n
+      json
+      mail
+      sinatra
+      skinny (>= 0.1.2)
+      sqlite3-ruby
+      thin
     method_source (0.8.2)
-    mime-types (2.4.3)
-    mini_portile (0.6.2)
-    minitest (5.5.1)
-    multi_json (1.11.0)
-    multi_xml (0.5.5)
-    nenv (0.2.0)
+    mime-types (3.1)
+      mime-types-data (~> 3.2015)
+    mime-types-data (3.2016.0521)
+    mini_portile2 (2.1.0)
+    minitest (5.10.1)
+    multi_json (1.12.1)
+    multi_xml (0.6.0)
+    nenv (0.3.0)
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
-    net-ssh (2.9.2)
+    net-ssh (4.1.0)
     netrc (0.11.0)
-    newrelic_rpm (3.10.0.279)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
-    notiffany (0.0.6)
+    newrelic_rpm (4.0.0.332)
+    nio4r (2.0.0)
+    nokogiri (1.7.1)
+      mini_portile2 (~> 2.1.0)
+    notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
     orm_adapter (0.5.0)
-    pg (0.18.1)
-    poltergeist (1.6.0)
+    pg (0.20.0)
+    poltergeist (1.14.0)
       capybara (~> 2.1)
       cliver (~> 0.3.1)
-      multi_json (~> 1.0)
       websocket-driver (>= 0.2.0)
-    pry (0.10.1)
+    pry (0.10.4)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
-    pry-rails (0.3.3)
+    pry-rails (0.3.5)
       pry (>= 0.9.10)
-    puma (2.11.1)
-      rack (>= 1.1, < 2.0)
-    pundit (1.0.1)
+    public_suffix (2.0.5)
+    puma (3.8.2)
+    pundit (1.1.0)
       activesupport (>= 3.0.0)
-    rack (1.6.0)
-    rack-cors (0.4.0)
-    rack-protection (1.5.3)
-      rack
+    rack (2.0.1)
+    rack-cors (0.4.1)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (4.2.0)
-      actionmailer (= 4.2.0)
-      actionpack (= 4.2.0)
-      actionview (= 4.2.0)
-      activejob (= 4.2.0)
-      activemodel (= 4.2.0)
-      activerecord (= 4.2.0)
-      activesupport (= 4.2.0)
+    rails (5.0.2)
+      actioncable (= 5.0.2)
+      actionmailer (= 5.0.2)
+      actionpack (= 5.0.2)
+      actionview (= 5.0.2)
+      activejob (= 5.0.2)
+      activemodel (= 5.0.2)
+      activerecord (= 5.0.2)
+      activesupport (= 5.0.2)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.2.0)
-      sprockets-rails
-    rails-assets-bootstrap-sass (3.3.5)
-      rails-assets-jquery (>= 1.9.0)
+      railties (= 5.0.2)
+      sprockets-rails (>= 2.0.0)
+    rails-assets-bootstrap-sass (3.3.7)
+      rails-assets-jquery (>= 1.9.1, < 4)
     rails-assets-jcrop (0.9.12)
-    rails-assets-jquery (2.1.4)
-    rails-deprecated_sanitizer (1.0.3)
-      activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.5)
-      activesupport (>= 4.2.0.beta, < 5.0)
-      nokogiri (~> 1.6.0)
-      rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.1)
+    rails-assets-jquery (3.2.1)
+    rails-dom-testing (2.0.2)
+      activesupport (>= 4.2.0, < 6.0)
+      nokogiri (~> 1.6)
+    rails-html-sanitizer (1.0.3)
       loofah (~> 2.0)
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging
-    rails_serve_static_assets (0.0.4)
-    rails_stdout_logging (0.0.3)
-    railties (4.2.0)
-      actionpack (= 4.2.0)
-      activesupport (= 4.2.0)
+    rails_serve_static_assets (0.0.5)
+    rails_stdout_logging (0.0.5)
+    railties (5.0.2)
+      actionpack (= 5.0.2)
+      activesupport (= 5.0.2)
+      method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.4.2)
-    rb-fsevent (0.9.4)
-    rb-inotify (0.9.5)
+    rake (12.0.0)
+    rb-fsevent (0.9.8)
+    rb-inotify (0.9.8)
       ffi (>= 0.5.0)
-    redcarpet (3.2.2)
-    responders (2.1.0)
-      railties (>= 4.2.0, < 5)
-    rest-client (2.0.0)
+    redcarpet (3.4.0)
+    responders (2.3.0)
+      railties (>= 4.2.0, < 5.1)
+    rest-client (2.0.1)
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
-    rspec (3.2.0)
-      rspec-core (~> 3.2.0)
-      rspec-expectations (~> 3.2.0)
-      rspec-mocks (~> 3.2.0)
-    rspec-core (3.2.1)
-      rspec-support (~> 3.2.0)
-    rspec-expectations (3.2.0)
+    rspec (3.5.0)
+      rspec-core (~> 3.5.0)
+      rspec-expectations (~> 3.5.0)
+      rspec-mocks (~> 3.5.0)
+    rspec-core (3.5.4)
+      rspec-support (~> 3.5.0)
+    rspec-expectations (3.5.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.2.0)
-    rspec-mocks (3.2.1)
+      rspec-support (~> 3.5.0)
+    rspec-mocks (3.5.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.2.0)
-    rspec-rails (3.2.1)
-      actionpack (>= 3.0, < 4.3)
-      activesupport (>= 3.0, < 4.3)
-      railties (>= 3.0, < 4.3)
-      rspec-core (~> 3.2.0)
-      rspec-expectations (~> 3.2.0)
-      rspec-mocks (~> 3.2.0)
-      rspec-support (~> 3.2.0)
-    rspec-support (3.2.2)
+      rspec-support (~> 3.5.0)
+    rspec-rails (3.5.2)
+      actionpack (>= 3.0)
+      activesupport (>= 3.0)
+      railties (>= 3.0)
+      rspec-core (~> 3.5.0)
+      rspec-expectations (~> 3.5.0)
+      rspec-mocks (~> 3.5.0)
+      rspec-support (~> 3.5.0)
+    rspec-support (3.5.0)
+    ruby_dep (1.5.0)
     safe_yaml (1.0.4)
-    sass (3.4.13)
-    sass-rails (5.0.1)
-      railties (>= 4.0.0, < 5.0)
+    sass (3.4.23)
+    sass-rails (5.0.6)
+      railties (>= 4.0.0, < 6)
       sass (~> 3.1)
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
-      tilt (~> 1.1)
+      tilt (>= 1.1, < 3)
     shellany (0.0.1)
-    shoulda-matchers (2.8.0)
-      activesupport (>= 3.0.0)
-    simple_form (3.1.0)
-      actionpack (~> 4.0)
-      activemodel (~> 4.0)
+    shoulda-matchers (3.1.1)
+      activesupport (>= 4.0.0)
+    simple_form (3.4.0)
+      actionpack (> 4, < 5.1)
+      activemodel (> 4, < 5.1)
     simplecov (0.9.2)
       docile (~> 1.1.0)
       multi_json (~> 1.0)
       simplecov-html (~> 0.9.0)
     simplecov-html (0.9.0)
-    sinatra (1.4.5)
-      rack (~> 1.4)
-      rack-protection (~> 1.4)
-      tilt (~> 1.3, >= 1.3.4)
-    skinny (0.2.3)
+    sinatra (1.0)
+      rack (>= 1.0)
+    skinny (0.2.4)
       eventmachine (~> 1.0.0)
-      thin (~> 1.5.0)
-    slim (3.0.2)
-      temple (~> 0.7.3)
+      thin (>= 1.5, < 1.7)
+    slim (3.0.7)
+      temple (~> 0.7.6)
       tilt (>= 1.3.3, < 2.1)
-    slim-rails (3.0.1)
-      actionmailer (>= 3.1, < 5.0)
-      actionpack (>= 3.1, < 5.0)
-      activesupport (>= 3.1, < 5.0)
-      railties (>= 3.1, < 5.0)
+    slim-rails (3.1.2)
+      actionpack (>= 3.1)
+      railties (>= 3.1)
       slim (~> 3.0)
     slop (3.6.0)
-    spring (1.3.6)
-    sprockets (2.12.3)
-      hike (~> 1.2)
-      multi_json (~> 1.0)
-      rack (~> 1.0)
-      tilt (~> 1.1, != 1.3.0)
-    sprockets-rails (2.2.4)
-      actionpack (>= 3.0)
-      activesupport (>= 3.0)
-      sprockets (>= 2.8, < 4.0)
-    sqlite3 (1.3.10)
-    sshkit (1.6.1)
-      colorize (>= 0.7.0)
+    spring (2.0.1)
+      activesupport (>= 4.2)
+    sprockets (3.7.1)
+      concurrent-ruby (~> 1.0)
+      rack (> 1, < 3)
+    sprockets-rails (3.2.0)
+      actionpack (>= 4.0)
+      activesupport (>= 4.0)
+      sprockets (>= 3.0.0)
+    sqlite3 (1.3.13)
+    sqlite3-ruby (1.3.3)
+      sqlite3 (>= 1.3.3)
+    sshkit (1.12.0)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
-    temple (0.7.5)
-    thin (1.5.1)
+    temple (0.7.7)
+    thin (1.6.2)
       daemons (>= 1.0.9)
-      eventmachine (>= 0.12.6)
+      eventmachine (>= 1.0.0)
       rack (>= 1.0.0)
-    thor (0.19.1)
-    thread_safe (0.3.5)
-    tilt (1.4.1)
-    timers (4.0.1)
-      hitimes
+    thor (0.19.4)
+    thread_safe (0.3.6)
+    tilt (2.0.7)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
-    uglifier (2.7.0)
-      execjs (>= 0.3.0)
-      json (>= 1.8.0)
+    uglifier (3.1.9)
+      execjs (>= 0.3.0, < 3)
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.2)
-    virtus (1.0.4)
+    virtus (1.0.5)
       axiom-types (~> 0.1)
       coercible (~> 1.0)
       descendants_tracker (~> 0.0, >= 0.0.3)
       equalizer (~> 0.0, >= 0.0.9)
-    warden (1.2.3)
+    warden (1.2.7)
       rack (>= 1.0)
-    webmock (2.1.0)
+    webmock (2.3.2)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff
-    websocket-driver (0.5.3)
+    webpacker (1.0)
+      activesupport (>= 5.0)
+      multi_json (~> 1.2)
+      railties (>= 5.0)
+    websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.2)
     xpath (2.0.0)
       nokogiri (~> 1.3)
-    yajl-ruby (1.2.1)
-    yandex-translator (0.3.0)
-      httparty
+    yajl-ruby (1.3.0)
+    yandex-translator (0.3.2)
+      httparty (>= 0.13.4)
 
 PLATFORMS
   ruby
@@ -419,7 +426,7 @@ DEPENDENCIES
   puma
   pundit
   rack-cors
-  rails (~> 4.2.0)
+  rails (~> 5.0.0)
   rails-assets-bootstrap-sass!
   rails-assets-jcrop (= 0.9.12)!
   rails_12factor
@@ -436,11 +443,12 @@ DEPENDENCIES
   uglifier (>= 2.5.0)
   virtus
   webmock
+  webpacker
   yajl-ruby
   yandex-translator
 
 RUBY VERSION
-   ruby 2.2.0p0
+   ruby 2.4.0p0
 
 BUNDLED WITH
-   1.13.3
+   1.14.6