Add a failing test when mixed case email address not saved as all lower case
Use hasbang for forcing email address to be lowercased
Add a double dot email address that should be invalid in User model spec
Improve valid email regex
Display debug dump on development environment
Add some CSS rules for rails debug dump section
Add users resource to implement REST style URL
Add show action in user controller
Add view for User show action
Install factory_girl gem
Add a factory to spec to simulate User model objects
Write a failing test for the user show page
Provide the right title and content in user profile page to pass our test
Lowering bcrypt's cost function in test environment
Add a helper method to get user's Gravtar
Add gravatar to user profile page
Redesign user profile page
Add some CSS rules for styling up user profile sidebar
Change CSS clasname generated by gravatar_for method
Write a failing test for signing up with invalid information