Added MOXy support
Merge branch 'master' of github.com:BryanHunt/osgi-jax-rs-connector into BryanHunt-master

Conflicts:
	build/com.eclipsesource.jaxrs.connector.target/Equinox 3.8-jersey2.3.1.target

Changes:
  Registers the Provider via an Activator to be able to run without DS.
  Renames the provider bundle to be open for more providers.
  Reduces jre level to 6.
  Removes provider feature from category (new sructure will be added soon).