[REF] forum ajax services: replace usages of ajaxfeedback and services exception with new Feedback class in order to eventually kill ajaxfeedback and to provide better handling of exceptions when js is not used.
[REF] forum ajax services: replace usages of ajaxfeedback and services exception with new Feedback class in order to eventually kill ajaxfeedback and to provide better handling of exceptions when js is not used.

git-svn-id: a7fabbc6a7c54ea5c67cbd16bd322330fd10cc35@58976 b456876b-0849-0410-b77d-98878d47e9d5

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