Update to use resteasy 3.x

Conflicts:
	guice/pom.xml
	guice/webapp/src/main/java/com/peterphi/std/guice/web/rest/resteasy/GuicedResteasy.java
	guice/webapp/src/main/java/com/peterphi/std/guice/web/rest/resteasy/ResteasyGuiceResource.java
	guice/webapp/src/main/java/com/peterphi/std/guice/web/rest/resteasy/ResteasyRequestResponseFactory.java
Updating to resteasy 3.0.7
Add Safevarargs on hasAnnotation
Register a ParamConverterProvider instead of a ParamConverter (ParamConverters can't be registered and used)
Merge pull request #3 from petergeneric/resteasy3

Upgrade to JAX-RS 2.0 with Resteasy 3