changes to 1.9.3 syntax for beauty
updates gemfile lock and dependencies
adds warden
removes Test::Unit
updates accounts, users and sign in process
adds subdomains
ensures proper session store for dummy app
cleans up gemspec and updates dependencies
adds subdomain uniqueness validations
updates gitignore
adds factory girl
adds authenticate user method
temporarily removes user validation
adds subdomain routing and constraints
removes unnecessary files
adds sign up/sign in for subdomains
handles invalid login credentials
adds force_auth method refactor
adds account sign up
removes fragile view content for flash messages