add gem "actionmailer_inline_css"
tests for email sending when user signs up
git ignore email password
add actionmailer_inline_css gem
add back devise :confirmable
config for development environment for email features
email settings for test environment
setup production email feature config
add custom confirmation email
fix user#display_name to not show if first/last names are blank
fix tests to work with devise email confirmation + skip confirmation on Facebook login