Merge branch 'stable-3.1' into 'master' * origin/stable-3.1: Remove unused properties example-webLinkProject: Remove unused dependencies Refactor poms and build parent pom Update bazlets to latest 3.1 and maven build to 3.1.8 Update bazlets to latest 3.0 and maven build to 3.0.13 Update bazlets to latest 2.16 and maven build to 2.16.22 Change-Id: I4d166d4748ea63648278a6282218f046ac0e25d4