Merge branch 'stable-3.0'

* stable-3.0:
  Upgrade javamelody-core to 1.79.0
  Upgrade bazlets to latest stable-2.15 to build with 2.15.15 API
  Upgrade bazlets to latest stable-3.0
  Upgrade bazlets to latest stable-2.16 to build with 2.16.10 API

Change-Id: I74241baa19ae7a707f08d820aaa87236baa4c38e