master branch should be used in Gemfile
Revert "Include Spree::StoreHelper inside auth controllers"

This reverts commit d2cc977ef941bfa3a5d918de2ebbe7766ddd5356.
Bump devise version, add version to devise-encryptable
UsersController should inherit from StoreController, since it is a frontend-ish controller
Rely on gemspec dependency specification of devise + devise-encryptable
Bump rspec-rails version
Need to require devise-encryptable