Updated rails to 3.2.12
Upgraded provider applications views hierarchy, added styling for no_apps

- Dealing with following states: no app, loading apps, empty filter
Updated haml to version 4
Merge branch 'rails_update' of https://github.com/jtomasek/wingedmonkey
Merge pull request #223 from jcoufal/apps

Upgraded provider applications views hierarchy, added styling for no_apps
Merge remote-tracking branch 'upstream/master'