Update git submodules
- Update AdvancedSearch from branch 'master' to a62e786a1bc19d0ae9fda495168f27c871062137
- Localisation updates from https://translatewiki.net.
Change-Id: If9d500b9fe5b1cee9663ed2cf234cea52f85430d
- Localisation updates from https://translatewiki.net.