Article publishing. - Githubissues

The big one! This PR contains multiple features:

Article publishing (entire CRUD cycle).
Fixed issue where logged in users would be asked to log in again if they visited /sso/author/login.
Minor HTML cleanup.
Unit testing for Articles.
Unit testing for Feed items.
Unit testing cleanup and OOP-izing.

All changes have been manually tested locally, unit tests will be performed by Travis CI below. Awaiting approval through CR before merging.

Closes #1

WULF-USA / Official-Website