I don't know if this is a recent regression or not.
- Install xwiki-platform-git module using the EM UI
- Create a page with
- Verify that it's not resolved properly
- Then clean up your data/extension directory and copy the 4 depds to WEB-INF/lib (gitective, xwiki-platform-git, jgit and jsch)
- Go again to the page and verify it works this time