Added test510Compatiblity, commented out testJavaEE50Compatiblity
Updated excludes for known issues. SerialVerionUID mismatches that remain are:

test423Compatibility:
FAIL: serialVersionUID error for javax.faces.component.UIComponentBase$FacetsMap, 423 8609899080216831864, current: 4485903508811150216
FAIL: serialVersionUID error for javax.faces.model.ResultSetDataModel$ResultSetMap, 423 799240087409033268, current: -5368520859290297898
FAIL: serialVersionUID error for javax.faces.validator.ValidatorException, 423 4026308396973607, current: 2930547978354852546
FAIL: serialVersionUID error for javax.servlet.GenericServlet, 423 -7659953752296322282, current: -8592279577370996712
FAIL: serialVersionUID error for javax.servlet.ServletException, 423 205441063386195800, current: 4221302886851315160
FAIL: serialVersionUID error for org.jacorb.*

test500Compatibility and test501Compatibility have the above failures plus:

FAIL: serialVersionUID error for org.jboss.aspects.versioned.StateManager, 500 -3466575905564024478, current: -4208851911531744496
FAIL: serialVersionUID error for org.jgroups.auth.AuthToken, 500 3079597723572751028, current: -287638945449919891
FAIL: serialVersionUID error for org.jboss.cache.StringFqn, 500 -1886519334118453717, current: 4293894402785112380
FAIL: serialVersionUID error for org.jboss.resource.adapter.jdbc.vendor.MSSQLValidConnectionChecker, 500 3995516551833725723, current: 4609709370615627138
FAIL: serialVersionUID error for org.jgroups.auth.AuthToken, 500 3079597723572751028, current: -2876389454499198917
FAIL: serialVersionUID error for org.jacorb.*

testCompatibility510 has the above failures plus:

FAIL: serialVersionUID error for org.jboss.aop.advice.SortedCFlowInterceptor$1, 510 -1356233290698167175, current: 1