Added support for sub-resources
Removed some TODOs
Merge branch 'master' of github.com:ArcBees/GWTP into cv_rest_sub_resources

Conflicts:
	gwtp-core/gwtp-dispatch-rest/src/main/java/com/gwtplatform/dispatch/rest/rebind/ActionGenerator.java
Fixed copyrights
Cleaned up dependencies across generators
Improved generated code readability
Merge pull request #413 from ArcBees/cv_rest_sub_resources

Rest-Dispatch: Support for Sub-Resources