Merge pull request #1581 from xillibit/k30_bugs11

Delete User(s): Wrong check to see if the user is admin #1259
Update Kunena administration menu
K3.0/J3.0/J2.5 Backend: Fix some missing strings.
K3.0/J3.0/J2.5 Backend: Fix some Joomla default layout control.
Merge pull request #1583 from coder4life/k30-j30-j25-bugs3

K3.0/J3.0/J2.5 Backend: Fix some missing strings.
Fix sort table boxes
Merge branch 'master' of github.com:Kunena/Kunena-2.0
Merge pull request #1585 from mahagr/master

Fix sort table boxes and update Kunena administration menu
K3.0/J3.0/J2.5 Backend: Some cleanup.
Merge branch 'master' of git://github.com/Kunena/Kunena-2.0 into k30-j30-j25-bugs3
Merge pull request #1586 from coder4life/k30-j30-j25-bugs3

K3.0/J3.0/J2.5 Backend: Some cleanup. Tooltip bugfix.
Resolve conflicts between CB and Kunena backend (#1576)
Merge pull request #1587 from mahagr/master

Resolve conflicts between CB and Kunena backend (#1576)
Kunena 3.0.0-BETA1 Release
Merge pull request #1588 from mahagr/master

Kunena 3.0.0-BETA1 Release
Add documentation for KunenaForum classes (stubs)
Merge pull request #1591 from mahagr/master

Add documentation for KunenaForum classes (stubs)
#1566 Backend - User Manager: You can't logout users
Merge pull request #1593 from xillibit/k30_bugs16

#1566 Backend - User Manager: You can't logout users
Crypsis : frontend category manager publish has no effect