Added support for least load plugin.

Change-Id: I0c0c9a23e97101f34f144f63e8f9a81f1ac172f9
Added support for Jenkins Campfire plugin

  Basic setup of Campfire notifications from builds.

Change-Id: I4e0bc43a1583fe51e0510743844d66e82b184e23
Merge "Added support for Jenkins Campfire plugin"
Merge "Added support for least load plugin."