[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
[FIX] articles: Use POST for submissions form to avoid "URL too long" errors when removing or approving huge numbers of submissions

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50547 b456876b-0849-0410-b77d-98878d47e9d5