Fixes #18 . Exclude groovy and groovy-all since we depend on localGroovy from Gradle
Merge pull request #19 from rspieldenner/gradle-1.12

Fixes #18 . Exclude groovy and groovy-all since we depend on localGroovy...
[Gradle Release Plugin] - pre tag commit:  '1.12.13'.
Try to work around gradle-bintray issue by adding groovy-backports-compat23
Merge pull request #20 from rspieldenner/gradle-1.12

Try to work around gradle-bintray issue by adding groovy-backports-compa...
Readd -SNAPSHOT to version
[Gradle Release Plugin] - pre tag commit:  '1.12.13'.
Readd SNAPSHOT again
Merge remote-tracking branch 'origin/gradle-1.12' into gradle-2.0

Conflicts:
	dependencies.lock
Merging 1.12 in, and bumping dependencies
Merge pull request #22 from nebula-plugins/merge-1.12

Merge 1.12