Fixes:
- fixed: BR #12807 - Manually pushing user to MAMS clears all fields;
- fixed: BR #12806 - Fatal error during MAMSRegistration installation - missing property dflt_emailuseredited_texttemplate;
- fixed: BR #12715 - Some leftovers (partially as it was not entirely valid);
- fixed: a few other minor fixes and tweaks;
New features:
- new: there is a visual clue whether a user has been validated or not;
- new: there is a one click action to validate a user;
- new: there is a new Smarty helper class (needs documentation though);
- new: there is a new Smarty helper plugin (also needs documentation);