clarify purpose of env variables for configuration (#122)
clarify purpose of env variables for configuration (#122)
smorin/cassandra-mesos,flosell/cassandra-mesos,mesosphere/cassandra-mesos,dmitrypekar/cassandra-mesos,mesosphere/cassandra-mesos,dmitrypekar/cassandra-mesos,BenWhitehead/cassandra-mesos,flosell/cassandra-mesos,edgefox/cassandra-mesos,edgefox/cassandra-mesos,BenWhitehead/cassandra-mesos,smorin/cassandra-mesos