Turn projectile-rails mode for most of the "boring" buffers.
Add keybindings.feature file.
Expand snippet for files opened under the app directory also.
Fix switching to already running server in projectile-rails-server command.
Merge branch 'master' of git://github.com/Silex/projectile-rails into Silex-master

Conflicts:
	projectile-rails.el
Update keybdings further.
Merge branch 'Silex-master'