Update git submodules
- Update extensions/LoginNotify from branch 'REL1_42' to aa31e0d08457487d24787b374c1a3d20b2a16e9b
- Localisation updates from https://translatewiki.net.
Change-Id: If344e5e312d24927677a5d324445119a8fa547cb
- Localisation updates from https://translatewiki.net.