fix exception when reverting a new model with no data
Merge pull request #146 from viki-org/revert-no-data-record

Fix exception when reverting a new model with no data
Fix isDirty on pristine records due to Date attributes
Merge pull request #147 from viki-org/is-dirty-dates

Fix Date attributes comparison when extracting dirty factors
FixtureAdapter updates for issue 109
Merge pull request #149 from RyanHirsch/master

FixtureAdapter Updates
Add a hook for customizing ajax settings

Add test case and readme for custom ajax settings

fix scoping for test

fix semantics

rest adapter can be created with ajaxSettings rather than extended

update docs for create method

remove headers

Add ajaxSettings hook to RestAdapter

Conflicts:
	packages/ember-model/lib/rest_adapter.js
	packages/ember-model/tests/adapter/rest_adapter_test.js