Update git submodules
- Update extensions/SyntaxHighlight_GeSHi from branch 'REL1_40' to 4dc845b8a7dd76819acdf46d5da29df0c9699162
- Localisation updates from https://translatewiki.net.
Change-Id: I840871422e5e1b715a6fdbf025abaceb86480a8e
- Localisation updates from https://translatewiki.net.