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

ConstraintViolationListInterface.php

@@ -26,7 +26,7 @@ public function add(ConstraintViolationInterface $violation);
     /**
      * Merges an existing violation list into this list.
      */
-    public function addAll(ConstraintViolationListInterface $otherList);
+    public function addAll(self $otherList);
 
     /**
      * Returns the violation at a given offset.

Mapping/ClassMetadata.php

@@ -330,7 +330,7 @@ public function addGetterMethodConstraints($property, $method, array $constraint
     /**
      * Merges the constraints of the given metadata into this object.
      */
-    public function mergeConstraints(ClassMetadata $source)
+    public function mergeConstraints(self $source)
     {
         if ($source->isGroupSequenceProvider()) {
             $this->setGroupSequenceProvider(true);