[ENH] feedback: for ajax feedback without page refresh, show feedback at the top of the screen if div#tikifeedback is not visible. Also make it disappear upon scroll.
[ENH] feedback: for ajax feedback without page refresh, show feedback at the top of the screen if div#tikifeedback is not visible. Also make it disappear upon scroll.

git-svn-id: 3cd832710dc27357e4e90d6eb54b4b41d31c01cf@60165 b456876b-0849-0410-b77d-98878d47e9d5

oregional/tiki,oregional/tiki,oregional/tiki,oregional/tiki,tikiorg/tiki,tikiorg/tiki,tikiorg/tiki,tikiorg/tiki