2014_8_30 Added Controllers, Models, and Migrations

Controllers added:
-Event Categories Controller
-Post Controller
-Post Categories Controller

Models Added(Migrations added with these models):
-Post Model
-Post Category Model
-Profile Model
Shouldn't be a text field. It should be an foreign key ID that references the ID of an item in the post_categories table. Make sure to define a foreign key as you've done with the user_id too.