[Gradle Release Plugin] - pre tag commit:  '1.12.1'.
[Gradle Release Plugin] - new version commit:  '1.12.2-SNAPSHOT'.
Revert "Use file collection to assign buildscript classpath."

This reverts commit d47b8076f0c7300d11cd21bbbb5f8468ce625335.
Use FileCollection for entries.
Merge branch 'master' into gradle-2.0.