Reorder require statements in RSpect helper file
Add RSpec binstub
Add spring to preload Rails
Add rake binstub
Add missing binstub for rspec-core
Remove unnecessary requirement for RSpec
Add RSpec hooks for spring
Add shoulda-matchers to development environment to make it work with spring
Defer garbage collector
Do not test have_secure_password attributes
Fix indentation convention
User tests improved
UserSteps tests improved