Add AUTHORS file.
Matching signature with parent method (RESTSerializer)

    - The requestType param does not belong to the
      extractSingle and extractArray methods
Merge pull request #26 from holandes22/version-1.0

Matching signature with parent method (RESTSerializer)
Merge pull request #27 from benkonrath/add-authors-file

Add AUTHORS file.
Update to latest ember and ember data.
Remove defaultSerializer from adapter.
Add integration tests for successful CRUD operations.

This commit also includes the configuration for pretender.