Fix usage of host/port.
Pull in patch from build tree.
Merge lp:~brianaker/gearmand/io-host-port Build: jenkins-Gearmand-719
Cleanup error messages.
Merge lp:~brianaker/gearmand/error-message-cleanup  Build: jenkins-Gearmand-720
Merge lp:~brianaker/gearmand/error-message-cleanup2 Build: jenkins-Gearmand-721