Updated Mesos README.md.
Updated Mesos README.md.

amitaekbote/dcos,GoelDeepak/dcos,amitaekbote/dcos,amitaekbote/dcos,kensipe/dcos,surdy/dcos,mesosphere-mergebot/mergebot-test-dcos,GoelDeepak/dcos,dcos/dcos,kensipe/dcos,GoelDeepak/dcos,mesosphere-mergebot/dcos,dcos/dcos,dcos/dcos,mesosphere-mergebot/mergebot-test-dcos,dcos/dcos,surdy/dcos,dcos/dcos,kensipe/dcos,mesosphere-mergebot/mergebot-test-dcos,surdy/dcos,mesosphere-mergebot/mergebot-test-dcos,kensipe/dcos,mesosphere-mergebot/dcos,amitaekbote/dcos,mesosphere-mergebot/dcos,surdy/dcos,GoelDeepak/dcos,mesosphere-mergebot/dcos