diff --git a/Gemfile b/Gemfile
index 0547e68..a5665c5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,20 +1,20 @@
 source 'http://rubygems.org'
 
-# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
+# Bundle edge Rails instead: gem 'rails', '>= 5.0.2', github: 'rails/rails'
 gem 'rails'
 
-gem 'responders', '~> 2.0'
+gem 'responders', '~> 2.3', '>= 2.3.0'
 gem 'oj'
 # Use sqlite3 as the database for Active Record
 # gem 'sqlite3'
 # Use postgres database for Active Record
 gem 'pg'
 # Use SCSS for stylesheets
-gem 'sass-rails'
+gem 'sass-rails', '>= 5.0.6'
 # Use Uglifier as compressor for JavaScript assets
 gem 'uglifier'
 # Use CoffeeScript for .js.coffee assets and views
-gem 'coffee-rails'
+gem 'coffee-rails', '>= 4.2.1'
 # See https://github.com/sstephenson/execjs#readme for more supported runtimes
 # gem 'therubyracer',  platforms: :ruby
 gem 'rails_12factor', group: :production
@@ -26,7 +26,7 @@ gem 'dalli', '~> 2.7'
 gem 'connection_pool'
 
 # used for rake countdown task
-gem 'nokogiri'
+gem 'nokogiri', '>= 1.10.4'
 gem 'socksify'
 gem 'tor_requests'
 
@@ -41,16 +41,16 @@ gem 'will_paginate'
 gem 'will_paginate-bootstrap'
 
 # Use jquery as the JavaScript library
-gem 'jquery-rails'
+gem 'jquery-rails', '>= 4.3.1'
 # Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
-gem 'jquery-turbolinks'
+gem 'jquery-turbolinks', '>= 2.1.0'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
 gem 'jbuilder'
 # bundle exec rake doc:rails generates the API under doc/api.
 # gem 'sdoc', '~> 0.4.0',          group: :doc
 
 # datatable
-gem 'jquery-ui-rails'
+gem 'jquery-ui-rails', '>= 6.0.1'
 
 # processes and thread
 gem 'parallel'
@@ -73,13 +73,13 @@ gem 'sidekiq-failures'
 gem 'sitemap_generator'
 
 # meta tags generator
-gem 'meta-tags'
+gem 'meta-tags', '>= 2.4.0'
 
 # performance analyzer
-gem 'peek'
-gem 'peek-sidekiq'
-gem 'peek-dalli'
-gem 'peek-pg'
+gem 'peek', '>= 0.2.0'
+gem 'peek-sidekiq', '>= 1.0.3'
+gem 'peek-dalli', '>= 1.1.3'
+gem 'peek-pg', '>= 1.3.0'
 
 group :development, :test do
   # debugger
@@ -91,13 +91,13 @@ group :development, :test do
 
   # Test uses
   gem 'cucumber'
-  gem 'cucumber-rails', :require => false
+  gem 'cucumber-rails', '>= 1.4.5', :require => false
   gem 'pickle'
-  gem 'rspec-rails'
+  gem 'rspec-rails', '>= 3.5.2'
   gem 'fuubar'
-  gem 'capybara'
+  gem 'capybara', '>= 2.13.0'
   gem 'factory_girl', '~> 4.4.0'
-  gem 'factory_girl_rails'
+  gem 'factory_girl_rails', '>= 4.4.1'
   gem 'factory_girl_rspec'
   gem 'database_cleaner'
 
@@ -109,5 +109,5 @@ group :development, :test do
   gem 'webmock'
 
   # javascript headless testing
-  gem 'poltergeist'
+  gem 'poltergeist', '>= 1.14.0'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 22f3c4c..7b0f257 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,98 +19,106 @@ GIT
 GEM
   remote: http://rubygems.org/
   specs:
-    actioncable (5.0.2)
-      actionpack (= 5.0.2)
-      nio4r (>= 1.2, < 3.0)
+    actioncable (5.1.7)
+      actionpack (= 5.1.7)
+      nio4r (~> 2.0)
       websocket-driver (~> 0.6.1)
-    actionmailer (5.0.2)
-      actionpack (= 5.0.2)
-      actionview (= 5.0.2)
-      activejob (= 5.0.2)
+    actionmailer (5.1.7)
+      actionpack (= 5.1.7)
+      actionview (= 5.1.7)
+      activejob (= 5.1.7)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.0.2)
-      actionview (= 5.0.2)
-      activesupport (= 5.0.2)
+    actionpack (5.1.7)
+      actionview (= 5.1.7)
+      activesupport (= 5.1.7)
       rack (~> 2.0)
-      rack-test (~> 0.6.3)
+      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)
+    actionview (5.1.7)
+      activesupport (= 5.1.7)
       builder (~> 3.1)
-      erubis (~> 2.7.0)
+      erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.0.2)
-      activesupport (= 5.0.2)
+    activejob (5.1.7)
+      activesupport (= 5.1.7)
       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)
+    activemodel (5.1.7)
+      activesupport (= 5.1.7)
+    activerecord (5.1.7)
+      activemodel (= 5.1.7)
+      activesupport (= 5.1.7)
+      arel (~> 8.0)
+    activesupport (5.1.7)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.0)
-      public_suffix (~> 2.0, >= 2.0.2)
-    arel (7.1.4)
+    addressable (2.6.0)
+      public_suffix (>= 2.0.2, < 4.0)
+    arel (8.0.0)
     ast (2.3.0)
-    atomic (1.1.99)
+    atomic (1.1.101)
     autoprefixer-rails (6.7.7.1)
       execjs
+    backports (3.15.0)
     bootstrap-sass (3.3.7)
       autoprefixer-rails (>= 5.2.1)
       sass (>= 3.3.4)
     builder (3.2.3)
     byebug (9.0.6)
-    capybara (2.13.0)
+    capybara (3.28.0)
       addressable
-      mime-types (>= 1.16)
-      nokogiri (>= 1.3.3)
-      rack (>= 1.0.0)
-      rack-test (>= 0.5.4)
-      xpath (~> 2.0)
+      mini_mime (>= 0.1.3)
+      nokogiri (~> 1.8)
+      rack (>= 1.6.0)
+      rack-test (>= 0.6.3)
+      regexp_parser (~> 1.5)
+      xpath (~> 3.2)
     cliver (0.3.2)
     coderay (1.1.1)
-    coffee-rails (4.2.1)
+    coffee-rails (4.2.2)
       coffee-script (>= 2.2.0)
-      railties (>= 4.0.0, < 5.2.x)
+      railties (>= 4.0.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.0.5)
-    concurrent-ruby-ext (1.0.5)
-      concurrent-ruby (= 1.0.5)
-    connection_pool (2.2.1)
+    concurrent-ruby (1.1.5)
+    concurrent-ruby-ext (1.1.5)
+      concurrent-ruby (= 1.1.5)
+    connection_pool (2.2.2)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    cucumber (2.4.0)
+    crass (1.0.4)
+    cucumber (3.1.2)
       builder (>= 2.1.2)
-      cucumber-core (~> 1.5.0)
+      cucumber-core (~> 3.2.0)
+      cucumber-expressions (~> 6.0.1)
       cucumber-wire (~> 0.0.1)
-      diff-lcs (>= 1.1.3)
-      gherkin (~> 4.0)
+      diff-lcs (~> 1.3)
+      gherkin (~> 5.1.0)
       multi_json (>= 1.7.5, < 2.0)
       multi_test (>= 0.1.2)
-    cucumber-core (1.5.0)
-      gherkin (~> 4.0)
-    cucumber-rails (1.4.5)
-      capybara (>= 1.1.2, < 3)
-      cucumber (>= 1.3.8, < 4)
-      mime-types (>= 1.16, < 4)
-      nokogiri (~> 1.5)
-      railties (>= 3, < 5.1)
+    cucumber-core (3.2.1)
+      backports (>= 3.8.0)
+      cucumber-tag_expressions (~> 1.1.0)
+      gherkin (~> 5.0)
+    cucumber-expressions (6.0.1)
+    cucumber-rails (1.8.0)
+      capybara (>= 2.12, < 4)
+      cucumber (>= 3.0.2, < 4)
+      mime-types (>= 2.0, < 4)
+      nokogiri (~> 1.8)
+      railties (>= 4.2, < 7)
+    cucumber-tag_expressions (1.1.1)
     cucumber-wire (0.0.1)
-    dalli (2.7.6)
+    dalli (2.7.10)
     database_cleaner (1.5.3)
     diff-lcs (1.3)
-    erubis (2.7.0)
+    erubi (1.8.0)
     et-orbi (1.0.2)
       tzinfo
     execjs (2.7.0)
@@ -124,22 +132,24 @@ GEM
       rspec (>= 2.0)
     faker (1.7.3)
       i18n (~> 0.5)
+    ffi (1.11.1)
     foreman (0.83.0)
       thor (~> 0.19.1)
     fuubar (2.2.0)
       rspec-core (~> 3.0)
       ruby-progressbar (~> 1.4)
     get_process_mem (0.2.1)
-    gherkin (4.1.1)
-    globalid (0.3.7)
-      activesupport (>= 4.1.0)
+    gherkin (5.1.0)
+    globalid (0.4.2)
+      activesupport (>= 4.2.0)
     hashdiff (0.3.2)
     hashie (3.5.5)
-    i18n (0.8.1)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (2.6.3)
       activesupport (>= 3.0.0, < 5.2)
       multi_json (~> 1.2)
-    jquery-rails (4.3.1)
+    jquery-rails (4.3.5)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
@@ -148,35 +158,37 @@ GEM
       turbolinks
     jquery-ui-rails (6.0.1)
       railties (>= 3.2.16)
-    loofah (2.0.3)
+    loofah (2.2.3)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mail (2.6.4)
-      mime-types (>= 1.16, < 4)
-    meta-tags (2.4.0)
-      actionpack (>= 3.2.0, <= 5.1.0)
+    mail (2.7.1)
+      mini_mime (>= 0.1.1)
+    meta-tags (2.11.1)
+      actionpack (>= 3.2.0, < 6.1)
     method_source (0.8.2)
-    mime-types (3.1)
+    mime-types (3.2.2)
       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)
+    mime-types-data (3.2019.0331)
+    mini_mime (1.0.2)
+    mini_portile2 (2.4.0)
+    minitest (5.11.3)
+    multi_json (1.13.1)
     multi_test (0.1.2)
     newrelic_rpm (4.0.0.332)
-    nio4r (2.0.0)
-    nokogiri (1.7.1)
-      mini_portile2 (~> 2.1.0)
+    nio4r (2.4.0)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
     oj (2.18.5)
     parallel (1.11.1)
     parser (2.4.0.0)
       ast (~> 2.2)
-    peek (0.2.0)
-      coffee-rails
+    peek (1.0.1)
       concurrent-ruby (>= 0.9.0)
       concurrent-ruby-ext (>= 0.9.0)
-      railties (>= 3.0.0)
-    peek-dalli (1.1.3)
-      atomic (>= 1.0.0)
+      railties (>= 4.0.0)
+    peek-dalli (1.2.0)
+      concurrent-ruby
+      concurrent-ruby-ext
       dalli
       peek
     peek-pg (1.3.0)
@@ -184,16 +196,16 @@ GEM
       concurrent-ruby-ext
       peek
       pg
-    peek-sidekiq (1.0.3)
+    peek-sidekiq (1.0.4)
       atomic (>= 1.0.0)
       peek
       sidekiq
-    pg (0.20.0)
+    pg (1.1.4)
     pickle (0.5.1)
       cucumber (>= 0.8)
       rake
-    poltergeist (1.14.0)
-      capybara (~> 2.1)
+    poltergeist (1.18.1)
+      capybara (>= 2.1, < 4)
       cliver (~> 0.3.1)
       websocket-driver (>= 0.2.0)
     powerpack (0.1.1)
@@ -204,48 +216,53 @@ GEM
     pry-byebug (3.4.2)
       byebug (~> 9.0)
       pry (~> 0.10)
-    public_suffix (2.0.5)
+    public_suffix (3.1.1)
     puma (3.6.2)
-    rack (2.0.3)
-    rack-protection (2.0.0)
+    rack (2.0.7)
+    rack-protection (2.0.5)
       rack
-    rack-test (0.6.3)
-      rack (>= 1.0)
-    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 (= 5.0.2)
+    rack-test (1.1.0)
+      rack (>= 1.0, < 3)
+    rails (5.1.7)
+      actioncable (= 5.1.7)
+      actionmailer (= 5.1.7)
+      actionpack (= 5.1.7)
+      actionview (= 5.1.7)
+      activejob (= 5.1.7)
+      activemodel (= 5.1.7)
+      activerecord (= 5.1.7)
+      activesupport (= 5.1.7)
+      bundler (>= 1.3.0)
+      railties (= 5.1.7)
       sprockets-rails (>= 2.0.0)
-    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-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.2.0)
+      loofah (~> 2.2, >= 2.2.2)
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging
     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)
+    railties (5.1.7)
+      actionpack (= 5.1.7)
+      activesupport (= 5.1.7)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rainbow (2.2.1)
-    rake (12.0.0)
-    redis (3.3.3)
+    rake (12.3.3)
+    rb-fsevent (0.10.3)
+    rb-inotify (0.10.0)
+      ffi (~> 1.0)
+    redis (3.3.5)
     redis-namespace (1.5.3)
       redis (~> 3.0, >= 3.0.4)
-    responders (2.3.0)
-      railties (>= 4.2.0, < 5.1)
+    regexp_parser (1.6.0)
+    responders (2.4.1)
+      actionpack (>= 4.2.0, < 6.0)
+      railties (>= 4.2.0, < 6.0)
     rspec (3.5.0)
       rspec-core (~> 3.5.0)
       rspec-expectations (~> 3.5.0)
@@ -277,18 +294,26 @@ GEM
     rufus-scheduler (3.4.0)
       et-orbi (~> 1.0)
     safe_yaml (1.0.4)
-    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, < 3)
-    sidekiq (5.0.4)
-      concurrent-ruby (~> 1.0)
-      connection_pool (~> 2.2, >= 2.2.0)
+    sass (3.7.4)
+      sass-listen (~> 4.0.0)
+    sass-listen (4.0.0)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
+    sass-rails (6.0.0)
+      sassc-rails (~> 2.1, >= 2.1.1)
+    sassc (2.1.0)
+      ffi (~> 1.9)
+    sassc-rails (2.1.2)
+      railties (>= 4.0.0)
+      sassc (>= 2.0)
+      sprockets (> 3.0)
+      sprockets-rails
+      tilt
+    sidekiq (5.2.7)
+      connection_pool (~> 2.2, >= 2.2.2)
+      rack (>= 1.5.0)
       rack-protection (>= 1.5.0)
-      redis (~> 3.3, >= 3.3.3)
+      redis (>= 3.3.5, < 5)
     sidekiq-failures (1.0.0)
       sidekiq (>= 4.0.0)
     sidekiq-scheduler (2.1.2)
@@ -303,22 +328,22 @@ GEM
     socksify (1.7.1)
     spring (2.0.1)
       activesupport (>= 4.2)
-    sprockets (3.7.1)
+    sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
-    sprockets-rails (3.2.0)
+    sprockets-rails (3.2.1)
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     thor (0.19.4)
     thread_safe (0.3.6)
-    tilt (2.0.7)
+    tilt (2.0.9)
     tor_requests (0.6.0)
       socksify
-    turbolinks (5.0.1)
-      turbolinks-source (~> 5)
-    turbolinks-source (5.0.0)
-    tzinfo (1.2.3)
+    turbolinks (5.2.0)
+      turbolinks-source (~> 5.2)
+    turbolinks-source (5.2.0)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
     uglifier (3.1.10)
       execjs (>= 0.3.0, < 3)
@@ -330,57 +355,57 @@ GEM
       hashdiff
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.4)
     will_paginate (3.1.5)
     will_paginate-bootstrap (1.0.1)
       will_paginate (>= 3.0.3)
-    xpath (2.0.0)
-      nokogiri (~> 1.3)
+    xpath (3.2.0)
+      nokogiri (~> 1.8)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   bootstrap-sass
-  capybara
-  coffee-rails
+  capybara (>= 2.13.0)
+  coffee-rails (>= 4.2.1)
   connection_pool
   cucumber
-  cucumber-rails
+  cucumber-rails (>= 1.4.5)
   dalli (~> 2.7)
   database_cleaner
   factory_girl (~> 4.4.0)
-  factory_girl_rails
+  factory_girl_rails (>= 4.4.1)
   factory_girl_rspec
   faker
   foreman
   fuubar
   jbuilder
-  jquery-rails
-  jquery-turbolinks
-  jquery-ui-rails
-  meta-tags
+  jquery-rails (>= 4.3.1)
+  jquery-turbolinks (>= 2.1.0)
+  jquery-ui-rails (>= 6.0.1)
+  meta-tags (>= 2.4.0)
   newrelic_rpm
-  nokogiri
+  nokogiri (>= 1.10.4)
   oj
   parallel
-  peek
-  peek-dalli
-  peek-pg
-  peek-sidekiq
+  peek (>= 0.2.0)
+  peek-dalli (>= 1.1.3)
+  peek-pg (>= 1.3.0)
+  peek-sidekiq (>= 1.0.3)
   pg
   pickle
-  poltergeist
+  poltergeist (>= 1.14.0)
   pry-byebug
   puma (~> 3.6.0)
   puma_worker_killer!
   rails
   rails_12factor
   redis-namespace
-  responders (~> 2.0)
-  rspec-rails
+  responders (~> 2.3, >= 2.3.0)
+  rspec-rails (>= 3.5.2)
   rubocop
-  sass-rails
+  sass-rails (>= 5.0.6)
   sidekiq
   sidekiq-failures
   sidekiq-scheduler
@@ -396,4 +421,4 @@ DEPENDENCIES
   will_paginate-bootstrap
 
 BUNDLED WITH
-   1.15.1
+   1.17.3