add a link to more instructions about running the tests
Danse
Merge branch 'danse-suggestion' into develop
Can't embed a resource with a custom _id (non ObjectId)

Closes #427.
Add support for custom HATEOAS

Updated the code in order to don't overwrite '_self' and 'self' if already exists in doc.
Merge pull request #11 from ioanpocol/develop

Add support for custom HATEOAS