Merge branch '2.5'

* 2.5:
  Update validators.eu.xlf
  fixed CS
  remove unused imports
  [Validator] Added markObjectAsInitialized() and isObjectInitialized() to ExecutionContextInterface
  [Validator] Fixed doc block
  [Routing] simplify the XML schema file
  Unify null comparisons
  [EventDispatcher] don't count empty listeners
  [Process] Fix unit tests in sigchild environment
  [Process] fix signal handling in wait()
  [BrowserKit] refactor code and fix unquoted regex
  Fixed server HTTP_HOST port uri conversion
  [HttpFoundation] moved test file to the right directory
  [Validator] Made sure that context changes don't leak out of (Contextual)ValidatorInterface
  [MonologBridge] fixed Console handler priorities
  Bring code into standard
  [Process] Add test to verify fix for issue symfony#11421
  [Process] Fixes issue symfony#11421
  [DependencyInjection] Pass a Scope instance instead of a scope name.

Resources/views/Collector/time.html.twig

@@ -370,7 +370,7 @@
             this.getThreshold = function() {
                 var threshold = Sfjs.getPreference(_storagePrefix + 'threshold');
 
-                if (threshold === null) {
+                if (null === threshold) {
                     return _threshold;
                 }
 

Resources/views/Profiler/layout.html.twig

@@ -68,20 +68,20 @@
                 menu = document.getElementById('navigation'), savedState = Sfjs.getPreference('menu/displayState'),
                 displayState, elem, className;
 
-            if (savedState == null) {
+            if (null === savedState) {
                 savedState = 'block';
             }
 
-            displayState = state || (savedState == 'block' ? 'none' : 'block');
+            displayState = state || ('block' === savedState ? 'none' : 'block');
 
-            if (typeof doSave === 'undefined') {
+            if ('undefined' === typeof doSave) {
                 doSave = true;
             }
 
             document.getElementById('searchBar').style.display = displayState;
             document.getElementById('adminBar').style.display = displayState;
 
-            if (displayState == 'block') {
+            if ('block' === displayState) {
                 Sfjs.removeClass(menu, 'collapsed-menu');
                 Sfjs.removeClass(menu.parentNode.parentNode, 'collapsed-menu-parents');
 
@@ -107,7 +107,7 @@
         }
 
         window.setTimeout(function() {
-            if (document.getElementById('menu-profiler') == null) {
+            if (null === document.getElementById('menu-profiler')) {
                 return;
             }
 
@@ -119,12 +119,12 @@
             }
 
             for (elem in menuItems) {
-                if (typeof(menuItems[elem].children) != 'undefined' &&
+                if (typeof(menuItems[elem].children) !== 'undefined' &&
                     menuItems[elem].children.length > 0) {
                     child = menuItems[elem].children[0]
 
-                    if (child.getAttribute('title') == '' ||
-                        child.getAttribute('title') == null) {
+                    if ('' === child.getAttribute('title') ||
+                        null === child.getAttribute('title')) {
                         value = child.text.replace(/^\s+/g, '').split('\n')[0].replace(/\s+$/g, '');
                         child.setAttribute('title', value);
                     }