[FIX] wizard: Seems search_autocomplete is no longer used (feature_jquery_autocomplete took over) so remove from the wizard and mark as deprecated

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48287 b456876b-0849-0410-b77d-98878d47e9d5
[NEW] Adding concat operator

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48288 b456876b-0849-0410-b77d-98878d47e9d5