Upgrade base-docker image from reefrt/mesos0.26 to reefrt/mesos0.28.
Upgrade base-docker image from reefrt/mesos0.26 to reefrt/mesos0.28.

dongjoon-hyun/tools,dongjoon-hyun/tools,dongjoon-hyun/tools,dongjoon-hyun/tools,dongjoon-hyun/tools