Implementing Article CRUD and adding Pundit for authorization rules enforcing.
Calling super methods in article policy and remove default value for user_id in articles.
Fix Angular deps injections for the http interceptor.
Call create articles on the user articles. Fix broken tests.
Merge pull request #13 from manshar/fix-angular-injections

Fix Angular deps injections for the http interceptor.
Merging articles-CRUD branch. Adding article CRUD and Pundit for authorization rules.