Update git submodules
- Update BlueSpiceFoundation from branch 'master' to e70ead75fa48df8c5f4b6e74e3c606352bf9328a
- Localisation updates from https://translatewiki.net.
Change-Id: Ifbe4a6b7ce1fd5af976801fc8ed158cc80a45fb8
- Localisation updates from https://translatewiki.net.