rename submodule
Revert runnung submodule update, I found out how to do this in cloudbees jenkins itself
Add next pieces for submodule support: add helpers to detect submodule links
Remove submodule fuse-jna to add it cleanly again
Add submodule under fuse-jna correctly
Add first part of support for submodules
Try to remove outdated submodule
Update to JGit 3.5.0
Finalize first version of submodules support, /submodules shows the same dir-structure as the main repository with /commit, /branch, /tag, ... and the 'mount points' for the submodule show the state that the parent repository currently links to