Michael Lange 40748c8923 Never return null for adapter headers ... Ember Data checks strictly against undefined: https://github.com/emberjs/data/blob/master/addon/adapters/rest.js#L1128		2017-10-19 10:10:01 -07:00
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tokens.js	Never return null for adapter headers	2017-10-19 10:10:01 -07:00