A serializer implements `extractEmbeddedData` to retrieve embedded
associations data
Check against `null` and `undefined`
Remove deprecated metaPath reliance

Ember.metaPath is no longer used anywhere in Ember and
will almost certainly be deprecated in this PR

https://github.com/emberjs/ember.js/pull/2710
Merge pull request #989 from machty/remove-meta-path

Remove deprecated metaPath reliance
Fix revision number in README.md

The guides seems to be described as revision 12.
bump ember-source
Remove findByClientId() test sync
Records are now looked up via recordForReference()
Merge pull request #991 from tricknotes/fix-revision-in-readme

Fix revision number in README.md
Merge pull request #990 from tricknotes/bump-ember-source

bump ember-source
Merge pull request #993 from rupurt/remove-unused-test-stub

Remove findByClientId() test sync
Document DS.Model create/_create
Remove isLoaded store alias
Remove revision check now that we'll version
Capture and log errors from promise chains

The thrown error never sees the light of day because it's treated as
promise rejection and **not** a failure. I encournted this problem when
ED was erroring _internally_ trying to sideload association. The
serializer raised an exception (inside a then callback) that was
swallowed.
Merge pull request #995 from ahawkins/log-promise-errors

Capture and log errors from promise chains
Merge pull request #893 from Cyril-sf/fix_name_in_serializer

A serializer implements `extractEmbeddedData` to retrieve embedded associations data
ajax call in RESTAdapter now correctly provides run-loops
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