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.