Change the error response body to be under another key 'error'
Fix the tests that expect the previous error format
Merge pull request #431 from rackerlabs/auto-714-error-format

Auto 714 error format
adding pagination content to dev guide
adding note to pause/resume policy execution docs that this feature is not yet available
Merge pull request #437 from rackerlabs/constanzeworking16

adding pagination content to dev guide
Merge branch 'master' into auto-730-test-rbac-roles