Test against Ruby 2.2

Author: sferik

.travis.yml

@@ -1,3 +1,4 @@
+before_install: gem install bundler
 env:
   global:
     - JRUBY_OPTS="$JRUBY_OPTS --debug"
@@ -7,6 +8,7 @@ rvm:
   - 1.9.3
   - 2.0.0
   - 2.1
+  - 2.2
   - jruby-18mode
   - jruby-19mode
   - jruby-head

Gemfile

@@ -9,7 +9,7 @@ group :test do
   gem 'rack-test'
   gem 'rest-client', '~> 1.6.0', :platforms => [:jruby, :ruby_18]
   gem 'rspec', '~> 3.0.0'
-  gem 'rubocop', '>= 0.28', :platforms => [:ruby_19, :ruby_20, :ruby_21]
+  gem 'rubocop', '>= 0.30', :platforms => [:ruby_19, :ruby_20, :ruby_21, :ruby_22]
   gem 'simplecov', '>= 0.9'
   gem 'webmock'
 end