Merge branch 'stable-2.14' into stable-2.15

* stable-2.14:
  Set Gerrit to 2.14.20
  Set version to 2.13.14 and require Java 8
  Set version to 2.13.13
  Set Gerrit to 2.14.19
  Release Gerrit version 2.13.12
  Release Gerrit version 2.14.18
  Set Gerrit to 2.14.17
  Set Gerrit to 2.14.16
  Set Gerrit to 2.14.15
  Set Gerrit to 2.14.14
  Set Gerrit to 2.14.13
  Set Gerrit to 2.14.12
  Set Gerrit to 2.14.11
  Set Gerrit to 2.14.10
  Set Gerrit to 2.14.9
  Set Gerrit to 2.14.8
  Set Gerrit to v2.14.7
  Bump to Gerrit v2.13.11 for macOS intaller
  Bump to Gerrit version 2.13.11
  Get Ubuntu 15.04 packages from old-releases
  Bump to Gerrit Ver. 2.13.10
  Set Gerrit to v2.14.6
  Set Gerrit to v2.14.5.1
  Bump to Gerrit Ver. 2.13.9

Change-Id: Ia26f488dbd3293d408da4fe0dc520264fe157ffe