[FIX] Initialize the index post-install to avoid errors

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48775 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] No valid reason for hidden fields not to be logged/stored in history

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48776 b456876b-0849-0410-b77d-98878d47e9d5