Merge remote-tracking branch 'basz/hotfix/zf2-349'

Author: EvanDotPro

src/Helper/HeadScript.php

@@ -408,8 +408,7 @@ public function itemToString($item, $indent, $escapeStart, $escapeEnd)
         $attrString = '';
         if (!empty($item->attributes)) {
             foreach ($item->attributes as $key => $value) {
-                if ((!$this->arbitraryAttributesAllowed()
-                    && !in_array($key, $this->_optionalAttributes)) 
+                if ((!$this->arbitraryAttributesAllowed() && !in_array($key, $this->_optionalAttributes)) 
                     || in_array($key, array('conditional', 'noescape')))
                 {
                     continue;