[FIX] perms admin: Update listfilter to handle new version of treetable jquery plugin, in use since composer arrived (thanks marclaporte)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@46959 b456876b-0849-0410-b77d-98878d47e9d5
[ENH] Cache dropdown definitions to improve rendering in lists

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@46961 b456876b-0849-0410-b77d-98878d47e9d5
[MRG] Automatic merge, branches/11.x 46951 to 46961

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@46962 b456876b-0849-0410-b77d-98878d47e9d5