Change the error response body to be under another key 'error'
Fix the tests that expect the previous error format
Update WADL for RBAC
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
Implemented review comments"
Merge branch 'master' into policy_paging_testing
fixed lint errors