RESTEASY-767: 1) Changed Servlet3AsyncHttpRequest and ResourceMethod; 2)
added RESTEASY-767-jetty test.
RESTEASY-802: Updated jboss-modules and added RESTEASY-802-AS71 to
arquillian.
RESTEASY-802: Minor syntactic fixes.
RESTEASY-800: Renamed arquillian/RESTEASY-802-AS71 to RESTEASY-800-AS71.
Merge pull request #254 from ronsigal/Branch_2_3

Branch_2_3: RESTEASY-767