Merge branch '2.7' into 2.8

* 2.7:
  fixed tests
  fixed some tests
  Remove excess whitespace

src/Symfony/Component/Form/Form.php

@@ -356,7 +356,7 @@ public function setData($modelData)
         if (!FormUtil::isEmpty($viewData)) {
             $dataClass = $this->config->getDataClass();
 
-            $actualType = is_object($viewData) ? 'an instance of class '.get_class($viewData) : ' a(n) '.gettype($viewData);
+            $actualType = is_object($viewData) ? 'an instance of class '.get_class($viewData) : 'a(n) '.gettype($viewData);
 
             if (null === $dataClass && is_object($viewData) && !$viewData instanceof \ArrayAccess) {
                 $expectedType = 'scalar, array or an instance of \ArrayAccess';