Add debug method for test environment to layout
Add SASS mixin for styling the debug message in the test environment
Add resource for User object to routes
Add method and template for 'show' resource action
Add 'Factory Girl' gem for defining user objects in tests
Add file for handling factories in tests
Enable min_cost for tests involving ActiveModel's SecurePassword Feature -- speeds up tests
Add test for profile page
Add title attribute to page to pass tests
Add gravatar_for helper method
Add method for displaying gravatars
Add sidebar and styling for profile page
Add signup form to the signup page
Create new user attribute to pass to the signup form
Add tests for signup functionality
Add error messages for when invalid info is sent
Create shared helper for displaying error messages
Write tests for checking invalid/valid redirect pages' messages
Add flash message to be displayed when user is created
Change password text fields to password fields