Update rails gems to 4.0.1
Update mysql2 gem to 0.3.14
Update ffi gem to 1.9.3
Update RubyGems version to 2.1.10
Update redis gem to 3.0.6
Update redis-objects gem to 0.8.0
Update xray-rails gem to 0.1.7
Update guard gem to 2.2.3
Update unicorn gem to 4.7.0
Update pry gem to 0.9.12.3
Update rubocop gem to 0.15.0
Update uniform_notifier gem to 1.4.0
Update bullet gem to 4.7.1
Update diff-lcs gem to 1.2.5
Update guard-rspec gem to 4.0.4
Update newrelic_rpm gem to 3.6.9.171
Update coderay gem to 1.1.0
Update haml gem to 4.0.4
Update slim gem to 2.0.2