add travis, rubocop, and ignore files

.gitignore

@@ -1,35 +1,18 @@
-*.gem
-*.rbc
-/.config
+/.bundle/
+/.yardoc
+/Gemfile.lock
+/_yardoc/
 /coverage/
-/InstalledFiles
+/doc/
 /pkg/
 /spec/reports/
-/test/tmp/
-/test/version_tmp/
 /tmp/
-
-## Specific to RubyMotion:
-.dat*
-.repl_history
-build/
-
-## Documentation cache and generated files:
-/.yardoc/
-/_yardoc/
-/doc/
-/rdoc/
-
-## Environment normalisation:
-/.bundle/
-/vendor/bundle
-/lib/bundler/man/
-
-# for a library or gem, you might want to ignore these files since the code is
-# intended to run in multiple environments; otherwise, check them in:
-# Gemfile.lock
-# .ruby-version
-# .ruby-gemset
-
-# unless supporting rvm < 1.11.0 or doing something fancy, ignore this:
-.rvmrc
+*.bundle
+*.so
+*.o
+*.a
+mkmf.log
+.vagrant/*
+.DS_Store
+.idea/*
+*.gem

.rubocop.yml

@@ -0,0 +1,30 @@
+
+MethodLength:
+  Max: 200
+
+LineLength:
+  Max: 160
+
+AbcSize:
+  Max: 75
+
+FileName:
+  Enabled: false
+
+PerceivedComplexity:
+  Enabled: false
+
+CyclomaticComplexity:
+  Enabled: false
+
+ClassLength:
+  Enabled: false
+
+IfUnlessModifier:
+  Enabled: false
+
+RegexpLiteral:
+  Enabled: false
+
+Style/Documentation:
+  Enabled: false

.travis.yml

@@ -0,0 +1,19 @@
+language: ruby
+cache:
+  - bundler
+install:
+  - bundle install
+rvm:
+  - 1.9.3
+  - 2.0
+  - 2.1
+  - 2.2
+notifications:
+  email:
+    recipients:
+      - [email protected]
+    on_success: change
+    on_failure: always
+
+script:
+  - 'bundle exec rake default'