Fix for defaults in arrays

Defaults used to be copied to the form definition, not anymore.

Author: davidlgj

src/directives/array.js

@@ -76,8 +76,8 @@ angular.module('schemaForm').directive('sfArray', ['sfSelect', 'schemaForm', 'sf
             var len = list.length;
             var copy = scope.copyWithIndex(len);
             schemaForm.traverseForm(copy, function(part) {
-              if (part.key && angular.isDefined(part['default'])) {
-                sfSelect(part.key, scope.model, part['default']);
+              if (part.key && part.schema && angular.isDefined(part.schema['default'])) {
+                sfSelect(part.key, scope.model, part.schema['default']);
               }
             });