changing the model so that if you try to change the type, it will fail validation.
Merge branch 'master' into auto-425-no-change-policy-on-update
Merge branch 'master' into auto-425-no-change-policy-on-update
change the list of scaling policies we're modifying to be just a set of regular webhook policies for this test case, since @cyli seems to be more magical than I at creating beautiful test cases.
couldn't resist.
Merge branch 'master' into auto-425-no-change-policy-on-update
lint.
Merge pull request #262 from rackerlabs/auto-425-no-change-policy-on-update

AUTO-425: changing the model so that if you try to change the type, it will fail validation.