function determineRelationshipType has moved

Here https://github.com/emberjs/data/commit/c9825d4a022dadf7f9cf17922dcfb3f228f8af0e
Load after ember-data, not ember-cli-ember-data

[ember-cli-ember-data](https://github.com/twokul/ember-cli-ember-data) is deprecated and no longer included in Ember-CLI.

Fixes #82.
Merge branch 'patch-1' of github.com:abossard/ember-localstorage-adapter

Conflicts:
	localstorage_adapter.js
Merge branch 'patch-1' of github.com:Truffula/ember-localstorage-adapter