Updated aws-sdk gem from 1.35.0 to 1.36.1
Updated Devise gem from 3.2.3 to 3.2.4
Updated god gem from 0.13.3 to 0.13.4
Updated several gems.
Updated feedzirra 0.8.0 -> feedjira 1.0.0

Feedzirra gem has recently changed name to feedjira.
Force sass-rails ~> 4.0.2 to avoid sprockets compatibility error

For more information see:

https://github.com/rails/sass-rails/issues/191