Upgrade to Gradle 2.0.
Use final version of plugin-plugin. Added -SNAPSHOT to version.
[Gradle Release Plugin] - pre tag commit:  '2.0.0'.
[Gradle Release Plugin] - new version commit:  '2.0.1-SNAPSHOT'.
Use gradle 1.12
Never use groovy exceptions.
Reset branch to 2.0, while being able to merge from 1.12