`osc build-logs` is blocked by the default policy

[brenton]

This originally came from openshift/training#33:

osc build-logs sin-89d70fac-c2b1-11e4-b853-525400b33d1d
Forbidden: "/osapi/v1beta1/redirect/buildLogs/sin-89d70fac-2b1-11e4-853-525400b33d1d?namespace=sinatra" denied by default