Merge pull request #36 from atotic/patch-2

Fix keys being out of sync

Author: addyosmani

firebase-element.html

@@ -460,9 +460,7 @@ <h3>My Firebase Data</h3>
     },
     dataChange: function() {
       //this.job('change', function() {
-        if (this.data) {
-          this.keys = this.data ? Object.keys(this.data) : [];
-        }
+        this.keys = this.data ? Object.keys(this.data) : [];
         this.fire('data-change');
       //});
     },