[job] Add travis build success to log message.
[job] Add travis build success to log message.

k0nserv/trunk.cocoapods.org,k0nserv/trunk.cocoapods.org,billinghamj/trunk.cocoapods.org,Shawn-WangDapeng/trunk.cocoapods.org,billinghamj/trunk.cocoapods.org,Shawn-WangDapeng/trunk.cocoapods.org,CocoaPods/trunk.cocoapods.org,k0nserv/trunk.cocoapods.org,CocoaPods/trunk.cocoapods.org