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
Don't have to define $table explicitly if you're going to stick to the naming convention. The default naming convention is a plural of the model name, so if we're going to use the table "posts" then we can remove this line.