Update git submodules
- Update BlueSpiceGroupManager from branch 'master' to e0f46e71113e34e999314204ede638546a11db54
- Localisation updates from https://translatewiki.net.
Change-Id: Idfbbfe1cc40de15943a495cf01b0731388d2be1a
- Localisation updates from https://translatewiki.net.