Update git submodules
- Update extensions/CategoryTree from branch 'REL1_43' to e0a01c706bd24667b1d2f2f2bc855eb3cb455a22
- Localisation updates from https://translatewiki.net.
Change-Id: I13650a41ef8f06efa091ec35e8f1cb8418eb8173
- Localisation updates from https://translatewiki.net.