Merge branch 'stable-2.16'

* stable-2.16:
  Upgrade javamelody-core to 1.76.0
  Upgrade bazlets to latest stable-2.16 to build with 2.16.4 API
  Upgrade bazlets to latest stable-2.15 to build with 2.15.9 API
  Upgrade bazlets to latest stable-2.15 to build with 2.15.8 API
  Upgrade bazlets to latest stable-2.14 to build with 2.14.18 API
  Upgrade bazlets to latest stable-2.16 to build with 2.16.2 API
  MonitoringTopMenu: Prepend path to the top menu item

Change-Id: I4eafdb96bfe4645a3f9ba6c59f66c52e27bba533