Fixed bug in Travis service, which crashes, when no response is retrieved.
Fixed bug in Travis service, which crashes, when no response is retrieved.

HelloHolyLi/node-build-monitor,Brantone/node-build-monitor,Brantone/node-build-monitor,marcells/node-build-monitor,HelloHolyLi/node-build-monitor,Brantone/node-build-monitor,HelloHolyLi/node-build-monitor,marcells/node-build-monitor