Update git submodules
- Update extensions/WikiEditor from branch 'REL1_41' to 1ad16b053e2f4d63b86d4f87741e17f452719795
- Localisation updates from https://translatewiki.net.
Change-Id: I753d04933757d5992656ca97ef9ec7ba237f793e
- Localisation updates from https://translatewiki.net.