added debug params mixin
add users view to routes, users/show view and modified users_controller to display user.name and user.email
add factory_girl_rails to Gemfile, add User profile/signup tests with factory girl
modify config/environments.rb to set SecurePassword min_cost to true in order to speed up tests with Factory Girl
add gravatar_for users helper
Add sidebar markup to users/show.html.erb
Add sidebar SCSS styling
add signup tests
add form_for method to generate a signup form
add params hash
add strong params
add partial to display flash error messages for invalid signup
add styling for error field
fix error in error_messages partial
add code for flash hash in application layout
Add SSL in production
fix readme