Update rack gem to 1.4.4
Update devise gem to 2.2.1
Update whenever gem to 0.8.2
Update ffi gem to 1.3.1
Update gettext gem to 2.3.7
Update newrelic_rpm gem to 3.5.5.38
Update jbuilder gem to 1.0.2
Update listen gem to 0.7.2
Update rb-inotify gem to 0.9.0
Update rspec-rails gem to 2.12.2
Update sass-rails gem to 3.2.6
Update sextant gem to 0.2.2
Update sqlite3 gem to 1.3.7
Update turbolinks gem to 1.0.0