Administrator: Implement level filter into category manager
Merge branch 'feature-hmvc' of github.com:mahagr/Kunena-Forum into rtv3
Merge branch 'rtv3' of git://github.com/mahagr/Kunena-Forum into rtv3
Fix redirects in administrator
Merge branch 'feature-hmvc' of github.com:mahagr/Kunena-Forum into rtv3
Merge branch 'rtv3' of git://github.com/mahagr/Kunena-Forum into rtv3