UserGuide http://www.gradle.org/docs/current/userguide/userguide.html
- http://www.gradle.org/docs/current/userguide/tutorial_using_tasks.html
- http://www.gradle.org/docs/current/userguide/java_plugin.html
- http://www.gradle.org/docs/current/userguide/artifact_dependencies_tutorial.html
- http://www.gradle.org/docs/current/userguide/maven_plugin.html
- http://www.gradle.org/docs/current/userguide/multi_project_builds.html