Allow belongs to associations to be saved when the associated object is null.
Remove accidentally added capitalize and camelize
DateTransform serialises into ISO8601 string
allow attributes to be excluded via the attrs hash

adds a shorthnad versus overriding serializeAttribute or
serialize and using this._super
move import statements to fully qualified path
begin broccolification
Merge branch 'master' of https://github.com/emberjs/data into broccoli

Conflicts:
	package.json
	packages/activemodel-adapter/lib/main.js
	packages/activemodel-adapter/lib/system/active_model_serializer.js
	packages/activemodel-adapter/lib/system/embedded_records_mixin.js
	packages/ember-data/lib/system/store.js
	packages/ember-inflector/lib/ext/string.js
	packages/ember-inflector/lib/main.js
	packages/ember-inflector/lib/system.js
	packages/ember-inflector/lib/system/inflections.js
	packages/ember-inflector/lib/system/inflector.js
	packages/ember-inflector/lib/system/string.js
remove testem-multi
update test commands
configuration tweaks for broccoli
make ember-inflector publicly installable
use package.json for broccoli commands
apparently build is a thing already in package.json
broccoli-cli needed for travis
add ember-defeatureify options back in
update testem to run from package.json
Merge branch 'master' of github.com:emberjs/data into broccoli

Conflicts:
	package.json
testem should use dot reporter instead of TAP
Don't normalize the key if not present in the hash

This make possible to call store.normalize within store.update
Merge pull request #2104 from sly7-7/update-with-normalize

Update with normalize