add Devise
rename deploy scripts
fix user account page
add default mailer host
modify config.action_mailer.default_url_options
use memcached for assets caching
put mail host value into environment
first signup spec passed
rename User#name to User#username
fix missing authorize_user
make username optional during signup
remove my account link from navbar
remove obsolete __FILE__
add figaro
mail config for production
add custom from field to Devise configuration
fix duplicated nil unique usernames problem
remove validates email unique since it's already validated by Devise
fix incorrect inclusion of devise spec helpers
clean layout