Update git submodules
- Update extensions/VisualEditor from branch 'REL1_37' to 2e3d16214f586e125115bab6c26bf0b03dbd070a
- Localisation updates from https://translatewiki.net.
Change-Id: I2383a1ec425b2c1d874c8ac27b7df47399832960
- Localisation updates from https://translatewiki.net.