Describe the bug
In a couple places [1] [2], the user is instructed to postfix the ZK connection string with a directory (zk node?) /cook. If the user does this, the scheduler for some reason will never connect to the mesos master.

[1] https://github.com/twosigma/Cook/blob/master/scheduler/docs/configuration.adoc
[2] https://github.com/twosigma/Cook/blob/master/scheduler/example-prod-co