Update git submodules
- Update skins/Vector from branch 'REL1_39' to 360880d88f676edf959cc6c6d42ae52da33bf754
- Localisation updates from https://translatewiki.net.
Change-Id: Ic9889fcbf75a3298eaf81960905740d9d92b6be0
- Localisation updates from https://translatewiki.net.