Translation readyness for functions.php

git-svn-id: http://yourls.googlecode.com/svn/trunk@865 12232710-3e20-11de-b438-597f59cd7555
No translation readyness for API functions, but that's OK

git-svn-id: http://yourls.googlecode.com/svn/trunk@866 12232710-3e20-11de-b438-597f59cd7555
More translation readyness.

git-svn-id: http://yourls.googlecode.com/svn/trunk@867 12232710-3e20-11de-b438-597f59cd7555