JAX-RS RI bundle refactorings.

- merged jax-rs ri bundles into a single bundle that produces: single jar + sources, buildable source zip archive, binary archive.

Change-Id: I26bafb9ad52d00052023dce49f7dd405b12a9670
Signed-off-by: Marek Potociar <marek.potociar@oracle.com>