[FIX] Make search indexation silent on success to be usable with cron


git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50545 b456876b-0849-0410-b77d-98878d47e9d5
[MRG] Automatic merge, branches/12.x 50537 to 50545

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@50546 b456876b-0849-0410-b77d-98878d47e9d5
added support for hashTags variable. Default = y (no change to existing).

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@50548 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] surveys: If the top of the survey is scrolled out of view then scroll to it, and disable prev or next button when needed

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@50549 b456876b-0849-0410-b77d-98878d47e9d5