Do not call adapter.deleteRecord for a record that is already saved and deleted.
Remove DS.AttributeChange.
remove unneeded and misleading "async" test helpers
Break Down JSONSerializer#serializeBelongsTo Test

There were multiple assertions in "serializeBelongsTo" test. Break it
into two to make things easier to understand.
Revert "remove unneeded and misleading "async" test helpers"

This reverts commit f34d87a0e8d4ed94a30b86ef07b3cf476748c3f6.

Failures on beta tests, will invetigate shortly.
Destroying the store now:

- unload's all Records
- unload's all RecordArrays
- destroy's all records (so life cycle hooks get called for cleanup)
- destroy's all RecordArrays

Unloading a record now:
- is allowed, unless the record is inflight. (previously it was disallowed for all dirty states)

also, now once a record has been destroyed attempts to unload it will be
black holed
Merge pull request #1734 from jherdman/tidy-up-json-serializer-test

Break Down JSONSerializer#serializeBelongsTo Test
Ensure the SHA is included in the VERSION.

Closes #1736.
Remove Dead Code from RESTAdapter's Test
Merge pull request #1738 from jherdman/remove-dead-code

Remove Dead Code from RESTAdapter's Test
explicitly set a handlebars dependency to a version known to work.
force jshint on failure
Don't pass the resolver where it's not needed
Merge pull request #1744 from marcioj/cleanup

Don't pass the resolver where it's not needed
[DOC] Fix extractArray

It makes the use of extractSingle consistent with the signature see #1743

As a side note I realize the store is not used in the extractSingle function, but I guess it could be usefull for people overriding it ?
Merge pull request #1746 from sly7-7/patch-3

[DOC] Fix extractArray example
Use Ember getter instead of accessing the property directly.
lock server while compiling assets
Merge pull request #1752 from fivetanley/grunt-locking-server

lock server while compiling assets
Merge pull request #1714 from stefanpenner/cleanup_when_store_destroys

Destroying the store cleanups up after itself: