Mesos version has to be pinned

There is something wrong in mesosphere yum repository. If you install just the newest Mesos, the following error occurs:

INFO:kolla.cmd.build:mesos-base:http://repos.mesosphere.io/el/7/x86_64/RPMS/mesos-0.28.0%2Bgit20160221.1e65c7f-0.2.220.centos701406.x86_64.rpm: [Errno 14] HTTP Error 404 - Not Found
INFO:kolla.cmd.build:mesos-base:Trying other mirror.
INFO:kolla.cmd.build:mesos-base:To address this issue please refer to the below knowledge base article
INFO:kolla.cmd.build:mesos-base:https://access.redhat.com/articles/1320623
INFO:kolla.cmd.build:mesos-base:If above article doesn't help to resolve this issue please create a bug on https://bugs.centos.org/
INFO:kolla.cmd.build:mesos-base:
INFO:kolla.cmd.build:mesos-base:
INFO:kolla.cmd.build:mesos-base:Error downloading packages:
INFO:kolla.cmd.build:mesos-base: mesos-0.28.0+git20160221.1e65c7f-0.2.220.centos701406.x86_64: [Errno 256] No more mirrors to try.

It seems that it tries to install some trunk version. Pinning to the newest stable version (0.27.0 at this moment) fixes the issue.