Merge pull request #22 from nandajavarma/new_bootstrap_3

Fixing listing views
Removing a few spec files
Removing config.secret_key from devise.rb
Minor changes to various listings
Adding conditional active class to buttons
Set Language dropdown
Removing rvmrc
Adding a basic Capistrano script for staging deployments
Set default logo in helper
Changing deployment branch to master
Fixing image urls in Book/Author/Publisher/Library show pages
Improving book show page
Fixing the layout of book edit form
Adding removable authors listing to book form
Store removed-field data in DOM
Fixing author, publisher and library page layouts
Merge remote-tracking branch 'upstream/master'