+ Moved static strings to ui file, handled by Glade
+ added extended tips to widgets
+ deleted references to strings in the controller.
Change-Id: I0acb444eff37adbfc0225656669af9d5650b7bd0
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/153127
Tested-by: Jenkins
Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>