added loggedIn class to main tpl container
Merge remote-tracking branch 'origin/master' into loggedin-class
Merge remote-tracking branch 'origin/master' into loggedin-class
added tpl_classes() to return useful layout classes
improved coding style on tpl_classes()
Merge pull request #194 from splitbrain/loggedin-class

added loggedIn class to main tpl container