Update git submodules
- Update skins/Vector from branch 'REL1_37' to e826214a773cdd95175fef3021276a2a211e71f6
- Localisation updates from https://translatewiki.net.
Change-Id: I3d2a89806235eb6018d88698f9358c87a7d81782
- Localisation updates from https://translatewiki.net.