[Plumhead] Makefile goodies: - Update target 'help' - Remove Java dependencies for targets 'all', 'build' and 'test' - Add target 'test-all', that test the reference and all variants 
[Plumhead]
Makefile goodies:
- Update target 'help'
- Remove Java dependencies for targets 'all', 'build' and 'test'
- Add target 'test-all', that test the reference and all variants 


git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@16880 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot