Merge branch 'stable-2.15' into stable-2.16

* stable-2.15:
  Set SSH default port to 22

Change-Id: I7fa99711a5938542eae97858ddc3b998efd3a374
tree: a29c8f8f002919884d2dadd93d2e647b77292888
  1. .gitignore
  2. BUILD
  3. LICENSE
  4. src/