messages: jQuery-Timepicker-Addon fix
- FIX Defines a path for jquery.ui required by jQuery-Timepicker-Addon and sets an exact version for the plugin instead of latest. (closes #2910)
Signed-off-by: Leonardo Rossi <leonardo.r@cern.ch>
Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>