NO-JIRA: ruby: remove perror calls in messenger library
NO-JIRA: ruby: remove perror calls in messenger library

No library should *ever* write unsolicited output to stderr or stdout without
being explicitly configured to do so. The connection closure in these two cases
is reported to the calling app by closing the transport.

apache/qpid-proton,ChugR/qpid-proton,ChugR/qpid-proton,alanconway/qpid-proton,ssorj/qpid-proton,gemmellr/qpid-proton,alanconway/qpid-proton,astitcher/qpid-proton,kgiusti/qpid-proton,gemmellr/qpid-proton,gemmellr/qpid-proton,gemmellr/qpid-proton,kgiusti/qpid-proton,alanconway/qpid-proton,gemmellr/qpid-proton,ChugR/qpid-proton,kgiusti/qpid-proton,ssorj/qpid-proton,astitcher/qpid-proton,astitcher/qpid-proton,astitcher/qpid-proton,ssorj/qpid-proton,ChugR/qpid-proton,kgiusti/qpid-proton,alanconway/qpid-proton,kgiusti/qpid-proton,apache/qpid-proton,astitcher/qpid-proton,ssorj/qpid-proton,alanconway/qpid-proton,ChugR/qpid-proton,ssorj/qpid-proton,apache/qpid-proton,apache/qpid-proton,apache/qpid-proton,alanconway/qpid-proton,ChugR/qpid-proton,gemmellr/qpid-proton,apache/qpid-proton,astitcher/qpid-proton,kgiusti/qpid-proton,ssorj/qpid-proton