* stable-3.1:
Set version to 3.1.2-SNAPSHOT
Set version to 3.1.1
Set version to 3.0.6-SNAPSHOT
Set version to 3.0.5
Set version to 2.16.15-SNAPSHOT
Set version to 2.16.14
Rename "master" to "primary" in documentation and comments
Add event interface to Gerrit
Change-Id: I53e83ccce28a03a58518d5c419dfc3fe56e826dc