Merge branch 'feature/dashboardfeed' of https://github.com/alexleutgoeb/gitlabhq into alexleutgoeb-feature/dashboardfeed

Conflicts:
	app/decorators/event_decorator.rb

API for project snippets listing

Reversed order of progress indication so that the text matches the progress bar.

Tiny fix to the add/edit groups form path field

Doc fix: Nginx init script requires sudo

performance and security fixes

Apparently it didn't get removed after the rename to ExtractsPath.

make devise controllers use devise layout

Reject ssh keys that break gitolite

Improve performance of Commits#show

Also, just for extra paranoia, only call safe_message once in the
decorator methods

Adds specs to make sure it still works