Update git submodules
- Update BetaFeatures from branch 'master' to 04281ed9df04123e305a1c48abb73daeeffa9479
- Localisation updates from https://translatewiki.net.
Change-Id: I899191927128752479eafaf7b25f98509cf7c9ba
- Localisation updates from https://translatewiki.net.