[FIX] show theme change as basic preference

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52194 b456876b-0849-0410-b77d-98878d47e9d5
[FIX} Improve appearance of menu and search form in topbar modules.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52195 b456876b-0849-0410-b77d-98878d47e9d5
[FIX} Improve appearance of menu and search form in topbar modules and other details.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52196 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] Support external imports for css minification

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52197 b456876b-0849-0410-b77d-98878d47e9d5
[MRG] Automatic merge, branches/13.x 52191 to 52197

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@52198 b456876b-0849-0410-b77d-98878d47e9d5