Update git submodules
- Update BlueSpiceChecklist from branch 'master' to a8297c10a3f162028998b3e1120c35f57a986b33
- Localisation updates from https://translatewiki.net.
Change-Id: I4ca550c9617efee00478338644d94e22026bc9dc
- Localisation updates from https://translatewiki.net.