Implement smarty3
Merge pull request #3 from beardy-unixer/master

Implement Smarty3
Update theme.php

updated to smarty3
Update smarty3/prv_message.tpl

Merge from https://github.com/friendica/friendica/blob/master/view/theme/duepuntozero/smarty3/prv_message.tpl
Update prv_message.tpl
.
Mainly permission settings themed and merge with duepuntozero.
Merge