Check against `null` and `undefined`
Merge pull request #1002 from stefanpenner/master

ajax call in RESTAdapter now correctly provides run-loops
fix ajax: run loop context needed to be null.
bump ember-source
Version bump - 0.13
Revert "Version bump - 0.13"

This reverts commit e79d279383231e933de869da8139d7e6cc798f66.

Going to sneak in some improved error logging
Log the error message, not the error class

This actually provides useful error messages. Previously you'd see
"TypeError" on the console. This is not useful. Now you'll see "fooBar()
is not a method". This lets you track down exceptions
Merge pull request #1004 from ahawkins/better-errors

Log the error message, not the error class
Revert "Revert "Version bump - 0.13""

This reverts commit f76848510208136a1fb74bb4db0926e15624e125.
remove revision reference.

https://github.com/emberjs/data/commit/7c01dd5fef7667c17da1b78483235306c9356421
Add failing integration test to expose bug #1005
Fix: record must be invalid on 422
RESTAdapter: reject with xhr only
Replace references to jQuery with Ember.$
Merge pull request #1008 from madadam/rest-adapter-422-fix

Fix for #1005: RESTAdapter incorrectly marking records as error on 422, instead of invalid
Assert post is dirty
Merge pull request #1010 from ahawkins/assert-root-is-dirty

Assert root is dirty in embedded tests
Fixed JSONTransforms documentation
bump ember-source to 1.0.0-rc.5
Support `Ember::Data::VERSION`

``` ruby
require 'ember/data/source'

Ember::Data::VERSION #=> "0.13"
```