Added documentation for ajaxError with DS.Errors.
rest_adapter: Remove unused `set` definition
Merge pull request #2033 from duggiefresh/rest_adapter

rest_adapter: Remove unused `set` definition
Stop using deprecated methods

Replace to use some methods that Ember.js recommends.
* `findProperty` -> `findBy`
* `mapProperty` -> `mapBy`
* `filterProperty` -> `filterBy`
* `everyProperty` -> `isEvery`
Merge pull request #2034 from tricknotes/stop-using-deprecated-methods

Stop using deprecated methods
fix docs for Store#getById
Merge pull request #2037 from knownasilya/getById-docs

[DOC] Fix docs for Store#getById
Merge pull request #2030 from wbyoung/doc-ajax-error

Added documentation for ajaxError with DS.Errors.
Add a starter JSBin with associations example.
Merge pull request #2042 from mehulkar/patch-1

Add a starter JSBin with associations example.
cleanup: align es6 (and other coding patterns) with ember's own
Merge pull request #2047 from stefanpenner/master

cleanup: align es6 (and other coding patterns) with ember's own
improve debug ergonomics (as I debug)

* re-using argument variables makes it quite hard to see the original value, also it has some negative performance side-effects.
* using the comma operator for long variable declarations, especially if they include method invocations makes it impossible to easily set breakpoints.
Merge pull request #2050 from stefanpenner/master

improve debug ergonomics (as I debug)