[ENH] admin: Add admin item to rebuild the admin search index (thanks Jyhem)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52889 b456876b-0849-0410-b77d-98878d47e9d5
[FIX][bp/r52890] Add table-responsive class to containing div to make large svg images responsive.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52891 b456876b-0849-0410-b77d-98878d47e9d5