Add serializePolymorphicType hook and move it from
the JSONSerializer to the RESTSerializer
Document serializeIntoHash method
Add ActiveModelAdapter and Serializer
Document the AMS adapter
Move everything to a package
Added a failing test for multiple find() calls for the same id
Add assertion for non existing transforms
Update TRANSITION.md

Added some clarification around ActiveModelSerializer terminology.
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Merge pull request #1286 from thomasboyt/metadataFor

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Merge pull request #1206 from bradleypriest/ams

Basic DS.ActiveModelSerializer implementation
Add some basic docs
Override normalizeRelationships to extract polymorphic type correctly
Merge pull request #1287 from bradleypriest/ams

AMS basic docs and polymorphic extraction
Merge pull request #1285 from eccegordo/patch-2

Update TRANSITION.md
Add ActiveModelAdapter and Serializer
Document the AMS adapter
Move everything to a package
Update TRANSITION.md

Added some clarification around ActiveModelSerializer terminology.
Add metadataFor