Remove unused `didReload` hook.
Remove old-tests.
Unreleased changelog
Expose ManyArray name property
Remove repeated filtered Array tests.

Filter Array and it's behavior with models is already being tested in
/packages/ember-data/tests/integration/filter_test.js.
Document system/model/states.js
- Remove references to state manager
- Expose state docs as YUI docs
- Update state docs to remove reference to unused states
- Document DS.RootState
Document system/model/model.js
- Also fixed incorrect example in system/model/attributes.js thanks @bradleypriest
Document the DS.Transform class and its subclasses
Merge pull request #1573 from bmac/transform-docs

Document the DS.Transform class and its subclasses
Merge pull request #1565 from bmac/model-states-docs

Document system/model/states.js
Merge pull request #1560 from bmac/model-model-docs

Document system/model/model.js
pushPayload without a type
Label promises
Don't modify passed in properties hash (Fixes #420).
Add integration test for normalizeHash (Closes #1411).
[fixes #1584] sync ember-inflector

- mitigate some case related inconsistencies
Merge pull request #1582 from abuiles/fix-createRecord

Don't modify passed in properties hash (Fixes #420).
Merge pull request #1566 from abuiles/tests-love

More tests love
Merge pull request #1448 from rjackson/remove_old_tests

Remove old-tests.
Merge pull request #1441 from rjackson/remove_didreload

Remove unused `didReload` hook.