added capybara email gem
deleted empty traling spaces
added config to open browser if feature spec fails
fixed bug in tracking referer and redirect user after sign in
password reset feature spec
Merge branch 'master' into mod-9
updated to rspec 3.0 and fixed changes introduced
disabled js scss and helper generators
linked email label to input field
added link to invite friend page
invite friend controller and spec and views
invite model, migration and spec
has_many invites association
invite_friend mailer and view
compatibility fix for Rspec 3.xx
wired invitation in user controller and register view
invite feature spec
fix css alignment
refactoring and ways to handle invalid and used token
fix passowrd validation issue