Update dependencies
update missing changelog
[Gradle Release Plugin] - pre tag commit:  '1.12.17'.
[Gradle Release Plugin] - new version commit:  '1.12.18-SNAPSHOT'.
Merge branch 'gradle-1.12' into gradle-2.0

Conflicts:
	dependencies.lock
	gradle.properties
bump versions of dependencies gradle-dependency-lock, nebula-test, gradle-contacts