Merge pull request #21 from basta-stripe/patch-1

`options` should default to an empty object (fixes #20)

Author: joshsmith

addon/components/stripe-element.js

@@ -7,7 +7,7 @@ export default Component.extend({
 
   autofocus: false,
   error: null,
-  options: [],
+  options: {},
   stripeElement: null,
   type: null, // Set in components that extend from `stripe-element`