Fixes incorrest usage of 400 HTTP responses being returned from the
server, in favor of using 422.
Also, changed a few return codes to 401 where it was more appropriate.
See this article for reasoning behind moving to 422, and why 400 isn't
appropriate for these cases.
For ref:
6be12f8a06
Related:
https://github.com/meanjs/mean/pull/1547https://github.com/meanjs/mean/pull/1510
This feature introduces a breaking change, that restricts the User's that
can create/edit/delete Articles to only those that have the `admin` Role.
Fixed ESLint issues.
Resolved merge conflicts, and moved new client Article Service
`createOrUpdate` functionality to new Admin feature controller.
Removed edit functionality from client-side Article controller.