Merge branch '2.6' into 2.7

* 2.6:
  Php Inspections (EA Extended): squash all PR-13813 commits
  replaced the last remaining is_integer() call
  [2.3] [Config] [Console] [DependencyInjection] [DomCrawler] [Form] [HttpKernel] [PropertyAccess] [Security] [Translation] [Yaml] static code analysis, code cleanup
  [FrameworkBundle] simplify dep declaration
  [VarDumper] Fix "next element is already occupied"
  [Validator] Added missing galician (gl) translations
  [PropertyAccess] stop overwriting once a reference is reached (3rd)
  [OptionsResolver] Remove Unused Variable from Foreach Cycles
  [travis] Tests Security sub-components
  [Twig] bootstrap_3_layout.html.twig is usable as a trait
  [travis] Tests Security sub-components
  CS fixes
  [TwigBridge] Bootstrap Layout - Fix the label of checkbox cannot be empty
  [travis] test with php nightly

Conflicts:
	.travis.yml
	src/Symfony/Bundle/FrameworkBundle/composer.json
	src/Symfony/Component/Security/Http/Tests/Firewall/ExceptionListenerTest.php
	src/Symfony/Component/Security/Http/Tests/Firewall/RememberMeListenerTest.php

Author: fabpot

DependencyInjection/Configuration.php

@@ -388,7 +388,7 @@ private function addTemplatingSection(ArrayNodeDefinition $rootNode)
             );
 
             foreach ($urls as $i => $url) {
-                if (is_integer($i)) {
+                if (is_int($i)) {
                     if (0 === strpos($url, 'https://') || 0 === strpos($url, '//')) {
                         $urls['http'][] = $urls['ssl'][] = $url;
                     } else {

DependencyInjection/FrameworkExtension.php

@@ -303,7 +303,7 @@ private function registerProfilerConfiguration(array $config, ContainerBuilder $
             'memcached' => 'Symfony\Component\HttpKernel\Profiler\MemcachedProfilerStorage',
             'redis' => 'Symfony\Component\HttpKernel\Profiler\RedisProfilerStorage',
         );
-        list($class, ) = explode(':', $config['dsn'], 2);
+        list($class) = explode(':', $config['dsn'], 2);
         if (!isset($supported[$class])) {
             throw new \LogicException(sprintf('Driver "%s" is not supported for the profiler.', $class));
         }