Bumps up default Gradle version to 2.1 (#3).
Remove implicit tasks from task list (#7).
Merge remote-tracking branch 'private/issue/3-RC2' into 0.7-develop
Merge remote-tracking branch 'private/issue/7-RC2' into 0.7-develop
Merge remote-tracking branch 'central/0.7-develop' into 0.7-release
Bumped version number to 0.7.0-RC3