Update git submodules
- Update extensions/Cite from branch 'REL1_39' to f4485fc4a7ca376ca3d3808d734e0a0654e296c3
- Localisation updates from https://translatewiki.net.
Change-Id: I6aeff3ed6c9252105aa79d554408cbfe417dbd2e
- Localisation updates from https://translatewiki.net.