Update to latest ember and ember data.
Use pluralized and dasherized model name in pathForType.

https://github.com/dustinfarris/ember-django-adapter/issues/19
Merge pull request #30 from benkonrath/update-ember-and-ember-data

Update to latest ember and ember data.
Merge pull request #28 from benkonrath/use-dasherize-in-path-for-type

Use pluralized and dasherized model name in pathForType.
Add integration tests for successful CRUD operations.

This commit also includes the configuration for pretender.