Merge pull request #1578 from mahagr/master

 Fix fatal error in a call to KunenaPagination::setUri()
Merge pull request #1579 from mahagr/master

Fix #1383 and #1575
Delete User(s): Wrong check to see if the user is admin #1259
Merge pull request #1581 from xillibit/k30_bugs11

Delete User(s): Wrong check to see if the user is admin #1259
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.
Merge branch 'master' of github.com:Kunena/Kunena-2.0