Also allow 777

tests/PHPUnit/Core/ReleaseCheckListTest.php

@@ -211,7 +211,7 @@ class ReleaseCheckListTest extends PHPUnit_Framework_TestCase
         foreach($paths as $pathToTest) {
 
             $chmod = substr(decoct(fileperms($pathToTest)), -3);
-            $valid = array('775', '755');
+            $valid = array('777', '775', '755');
             $command = "find $pluginsPath -type d -exec chmod 755 {} +";
             $this->assertTrue(in_array($chmod, $valid),
                     "Some directories within plugins/ are not chmod 755 \n\nGot: $chmod for : $pathToTest \n\n".