Update JGit to 5.2.0.201812061821-r

Notable new features
- enhance UploadPack v2 protocol support
- new ssh client based on MINA sshd

Release notes
https://projects.eclipse.org/projects/technology.jgit/releases/5.2.0

Change-Id: I2fab91a154d186ebae700b6354df6fe1bdf8d6e4
1 file changed