Returning Conflict error when rating the same sound twice with the same user. Updated todo.
Dots at the beggining of descriptor names are no longer needed in target and filter specification.
Dots at the beggining of descriptor names are no longer needed in descriptors request parameter.
Updated api docs to reflect last changes regarding descriptor names starting with dots.
Restrict supported content-type in upload and upload and describe resources
Now all serializer validation errors are returned wrapped in a "details" field of the dictionary
Updated apiv2 docs