Add info about JSON Transformers to TRANSITION.md
Fixed what appered to be trivial typos in the Serializer Configuration examples
containerization of transforms
added content from latest merge
Merge pull request #1162 from ghempton/containerize-transforms

containerization of transforms
Add support for since token in meta
Fix rollback from new state (unload record)

Add more rollback tests
Add support for key normalization in RESTAdapter
Merge pull request #1166 from tchak/rollback-tests

Fix rollback from new state (unload record)
Fixes typo
Merge pull request #1164 from joebartels/master

fix small typos in TRANSITION.md
Merge pull request #1167 from johanneswuerbach/patch-1

Fixes typo
Merge pull request #1160 from jagthedrummer/jeremy/transition-transforms

Add info about JSON Transformers to TRANSITION.md
Replace warn with assert to match the others assertions

Removed boolean coercion
Merge pull request #1168 from marcioj/normalize-assertions

Replace warn with assert to match the others assertions
Changes `App.PostSerializer = DS.Serializer.extend(..)` to `App.PostSerializer = DS.JSONSerializer.extend(..)`.
Updated to `DS.RESTSerializer`.
Changes all mentions of `DS.JSONSerializer` to `DS.RESTSerializer`.
JSON Transforms : Update - Take 2

JSON transforms changed again today, so the updated transition
document is already out of date.  Progress is relentless.  ;)
Refactor serializerFor to be more consistent