[gradle/f22] (4 commits) ...Non-bootstrap build

[Mikolaj Izdebski]

Summary of changes:

  0b363aa... Add some comments to gradle-bootstrap.sh (*)
  0c7fb0d... Rebuild for netty3 update (*)
  3b8a1ee... Bootstrap build (*)
  d6db1bf... Non-bootstrap build (*)

(*) This commit already existed in another branch; no separate mail sent