PROTON-192: Enable JNIMessageFactory - all message tests passing except: testMessageId/testCorrelationId which are being temporarily forced to fail to avoid a subsequent segfault.

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/branches/jni-binding@1437048 13f79535-47bb-0310-9956-ffa450edef68