Updating Font Awesome to 3.2.1 _WITH_ support for IE8.
Don't attempt to redirect after login, when coming from "logout".

Additional fix for @SilverClash’s change.
PSR style changes and some cleanup for better readability
Merge branch 'lib.php-cleanup' of github.com:rarila/bolt into rarila-lib.php-cleanup

Conflicts:
	app/classes/lib.php
Making the "allowed" filetypes a bit more clearer and visible.. Fixes #1050.
Oops. bit too much..