Depend on ruby virtual package

.gitignore

@@ -1,8 +1,10 @@
 /.bundle
 /.rvmrc
 /coverage
-/pkg
+/dist
 /rdoc
 /tags
 /vendor
 /.rbenv-version
+/.cache
+/resources/exe/heroku-codesign-cert.pfx

.travis.yml

@@ -1,22 +1,24 @@
-before_script:
-  - git config --global user.email "[email protected]"
-  - git config --global user.name "Heroku Bot (Travis CI)"
-
-bundler_args: --without development
-
 language: ruby
 
-notifications:
-  email: false
-  webhooks:
-    on_success: always
-    on_failure: always
-    urls:
-      - http://dx-helper.herokuapp.com/travis
-
 rvm:
-  - 1.8.7
-  - 1.9.2
   - 1.9.3
+  - 2.0.0
+  - 2.1.5
+  - 2.2.0
+
+sudo: false
+
+cache: bundler
+
+before_script:
+  - git config --global user.email "[email protected]"
+  - git config --global user.name "Heroku Bot (Travis CI)"
+
+script: bundle exec rspec spec --color
 
-script: bundle exec rspec -bfs spec
+deploy:
+  provider: rubygems
+  on:
+    tags: true
+  api_key:
+    secure: ALsBCGGvdAiIEJR9zTzxumcgCaS5eqOs7Oee7e4SiDgHrT/DRSsFJBtNp9mJvQvHzW3FqSFZU7NO6tSRkwHGdGGw7pf/emjZ2ua0exuyCQ3LaCJBdwSQXl0GTMhhaMCCd2NYWJ+Fa3Q9jWWAdCfV8rqz5AX4ZG6fi3C2uubppVs=