Version 2.21.0

coverage cmd

Set extensions/v1beta1 as for hpas (#2)

Set extensions/v1beta1 as for hpas

Merge pull request deis#1318 from mboersma/update-django

chore(requirements): update Django to v1.11.4

fix(api/models/app): Catch unhandled error (deis#1317)

Fix for deis#1313

An unhandled exception in ns.create due to "Conflict
namespaces" will
wipe out an entire namespace. I've added a catch here to
protect against
that occurring.

Merge pull request deis#1314 from mboersma/update-requirements

chore(requirements): update support libraries

Merge pull request deis#1312 from mboersma/update-django

chore(requirements): update Django to v1.11.3

RBAC support (deis#1292)

With this change deis-controller became available to work in RBAC-only clusters

Merge pull request deis#1293 from mboersma/mit

ref(LICENSE): switch to MIT license