Update git submodules
- Update skins/Vector from branch 'REL1_39' to 458b0cda563fb7b405382ea60dd16ec80e0a92de
- Localisation updates from https://translatewiki.net.
Change-Id: I22bea62809a611a1701e7cef93d6540a8daf64d8
- Localisation updates from https://translatewiki.net.