- modal attachments
 - fixed deletion of attachments
removed content plugin bits, just a placeholder now
 - implemented option to show statistics if guest
better integration for statslink_allowed setting
Merge branch 'rtv3' of https://github.com/rockettheme/Kunena-Forum into rtv3
removed xdebug
cleanup
Merge branch 'rtv3' of github.com:rockettheme/Kunena-Forum into rtv3-hmvc

Conflicts:
	components/com_kunena/site/controller/page/statistics/display.php
	components/com_kunena/site/controller/statistics/general/display.php