Merge pull request #7 from calblueprint/howard/user

Woo howard!
https is causing issues
Add pagination to Pieces index
Merge pull request #14 from calblueprint/jonathan/pieces_pagination

Add pagination to Pieces index
Annotate Models
Merge pull request #15 from calblueprint/howard/annotate

Annotate Models
Added response model with common status codes for the API
Added success/error tag
Removing activerecord model, making a regular response class
remove to_json method from response
Merge pull request #13 from calblueprint/mark/api_constants

Added response model with common status codes for the API
Update extra fields to users