Continue https://gerrit.libreoffice.org/15606/
5a8c7fd551522bdfe935f4138bde0df376464608

Rebase of https://gerrit.libreoffice.org/15233/
Update with more robust tests.
Update create NumberFormatPropertyPanel.[hs]rc

Change-Id: I36bd95cbaee160f96e7e7369096b5c8fb0aa8a4d
Reviewed-on: https://gerrit.libreoffice.org/15609Reviewed-by: Eike Rathke <erack@redhat.com>
Tested-by: Eike Rathke <erack@redhat.com>