patch: requestbackoff class, check for connection refused and http error codes r=provos,sr=darin git-svn-id: svn://10.0.0.236/trunk@208263 18797224-902f-48f8-a5cc-f745e15eee43
patch: requestbackoff class, check for connection refused and http error codes r=provos,sr=darin git-svn-id: svn://10.0.0.236/trunk@208263 18797224-902f-48f8-a5cc-f745e15eee43