Update git submodules
- Update BlueSpiceCategoryManager from branch 'master' to 1c315b0f46c0d441ba42dce4c6ec0bb640aefa84
- Localisation updates from https://translatewiki.net.
Change-Id: Ic3a4819a2345ddf9910d8bd7794609611eb20136
- Localisation updates from https://translatewiki.net.