Update ruby version to 2.2.2

.travis.yml

@@ -1,6 +1,6 @@
 language: ruby
 rvm:
-  - 2.2.0
+  - 2.2.2
 bundler_args: --without development
 env:
   - SPEC_GROUP=controllers

config/deploy.rb.sample

@@ -17,7 +17,7 @@ require 'capistrano/ext/multistage'
 ssh_options[:forward_agent] = true
 default_run_options[:pty] = true
 
-set :rvm_ruby_string, 'ruby-2.1.1@rosa_build'
+set :rvm_ruby_string, 'ruby-2.2.2@rosa_build'
 set :application, "rosa_build"
 set(:deploy_to) { "/srv/#{application}" }
 set :user, "user"

config/deploy/production.rb.sample

@@ -1,10 +1,10 @@
 require "whenever/capistrano"
 
-set :rvm_ruby_string, 'ruby-2.0.0-p0@rosa-build'
+set :rvm_ruby_string, 'ruby-2.2.2@rosa-build'
 set :branch, "master"
 
 set :domain, "0.0.0.0"
 
 role :app, domain
 role :web, domain
-role :db,  domain, primary: true
+role :db,  domain, primary: true