Fixed #366.

Framework Organizer tasks should not define in afterEvaluate block
possibly [Gradle Plugin]
Merge remote-tracking branch 'private/issue/366' into 0.6-develop
Revised application/maven-archetype (#346).
Revised documents for release 0.6.0 (#346).
Merge remote-tracking branch 'private/issue/346-M8' into 0.6-develop
Merge remote-tracking branch 'central/0.6-develop' into 0.6-release
Bumped version number to 0.6.0