Add Published Status to Article

[MarkOates]

Problem

Right now, any and all articles that exist in the database are subject to being displayed once the view and controller are created.

Solution

Add a published status. This will allow authors to create "pending" articles, or allow admins to easily disable articles from public view.

• Also included, is a published scope on the Article model. This will more easily allow the filtering of published articles for views and other lists.

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This is actually part 4 of https://github.com/allegroplanet/allegro-planet/issues/63