Merge branch stable-2.16

* stable-2.16:
  Adapt to the JGit v4.5.x

Change-Id: I9b420bd83a6ee77d3a70cf6e1504ea3a9920b8e0
tree: 9f4993c8b9075874c3f164bcd3bc9cfc38ab48b6
  1. .gitignore
  2. .settings/
  3. BUILD
  4. LICENSE
  5. src/