Update git submodules
- Update extensions/CiteThisPage from branch 'REL1_40' to 35a4f0faab9c02eaad30b05fb19f8ececc0363c3
- Localisation updates from https://translatewiki.net.
Change-Id: Ifcef2896039608158855c849824fa56b90572d5c
- Localisation updates from https://translatewiki.net.