Created Article, SmartPost, UserPost, WirePost, and WireSource entities for storage of articles in the database and to assist with article moderation by WingWire administrators.

Also added data annotations to existing entities.
Added to the DbContext.
Added additional items to support KimonoLabs and wire posts.
Added additional deserialization objects for desializing KimonoLabs JSON.
Added to the DbContext.
Added additional items to support KimonoLabs and wire posts.
Added additional deserialization objects for desializing KimonoLabs JSON.
Merge branch 'article-moderation'