Merge branch '4.0' into 4.1

* 4.0: (21 commits)
  [PropertyInfo] fix resolving parent|self type hints
  fixed CS
  fix merge
  [Security] Fix logout
  Cleanup 2 tests for the HttpException classes
  #27250 limiting GET_LOCK key up to 64 char due to changes in MySQL 5.7.5 and later
  [Config] Fix tests when path contains UTF chars
  [DI] Shared services should not be inlined in non-shared ones
  [Profiler] Remove propel & event_listener_loading category identifiers
  [Filesystem] Fix usages of error_get_last()
  [Cache][Lock] Fix usages of error_get_last()
  [Debug] Fix populating error_get_last() for handled silent errors
  fixed CS
  fixed CS
  fixed CS
  [FrameworkBundle] Fix cache:clear on vagrant
  [HttpKernel] Handle NoConfigurationException "onKernelException()"
  Fix misses calculation when calling getItems
  [DI] Display previous error messages when throwing unused bindings
  Fixed return type
  ...

Author: nicolas-grekas

NodeVisitor/Scope.php

@@ -20,7 +20,7 @@ class Scope
     private $data = array();
     private $left = false;
 
-    public function __construct(Scope $parent = null)
+    public function __construct(self $parent = null)
     {
         $this->parent = $parent;
     }