Allow basic users to 'get' StorageClasses

[wongma7]

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1449608

[childsb]

[test]

[wongma7]

[test]

[wongma7]

[test]

#13943

[openshift-bot]

Evaluated for origin test up to 5066af5

[openshift-bot]

continuous-integration/openshift-jenkins/test SUCCESS (https://ci.openshift.redhat.com/jenkins/job/test_pull_request_origin/1723/) (Base Commit: 491c8bd)

[childsb]

[merge][severity:blocker]

[wongma7]

Running hack/test-util.sh:354: executing 'current_time_millis_mod_1000' expecting any result and text 'typo'; re-trying every 0.2s until completion or 1.000s...
FAILURE after 0.217s: hack/test-util.sh:354: executing 'current_time_millis_mod_1000' expecting any result and text 'typo'; re-trying every 0.2s until completion or 1.000s: the command timed out
Standard output from the command:
success
Standard error from the command:

[childsb]

[merge][severity:blocker]

[openshift-bot]

Evaluated for origin merge up to 5066af5

[openshift-bot]

continuous-integration/openshift-jenkins/merge SUCCESS (https://ci.openshift.redhat.com/jenkins/job/merge_pull_request_origin/869/) (Base Commit: 9446c1b) (Extended Tests: blocker) (Image: devenv-rhel7_6291)