JBIDE-10539 - Support for JAX-RS Field injection

Also changed the way URL Path Template are displayed on endpoints in the JAX-RS Explorer
also fixed JBIDE-12029 - No type for PathParam parameters in JAX-RS REST Web Services Explorer
JBIDE-15520 - Clean UI and Core dependencies

Also moved some UI tests in a new org.jboss.tools.ws.jaxrs.ui.test project