Merge branch '2.3' into 2.6

* 2.3:
  replaced the last remaining is_integer() call
  [2.3] [Config] [Console] [DependencyInjection] [DomCrawler] [Form] [HttpKernel] [PropertyAccess] [Security] [Translation] [Yaml] static code analysis, code cleanup
  [Validator] Added missing galician (gl) translations
  [travis] Tests Security sub-components
  [travis] Tests Security sub-components
  CS fixes
  [travis] test with php nightly

Conflicts:
	src/Symfony/Component/Security/Http/Tests/Firewall/RememberMeListenerTest.php

Author: fabpot

Authentication/Provider/PreAuthenticatedAuthenticationProvider.php

@@ -60,7 +60,7 @@ public function authenticate(TokenInterface $token)
             throw new BadCredentialsException('No pre-authenticated principal found in request.');
         }
 
-        $user = $this->userProvider->loadUserByUsername($user);
+         $user = $this->userProvider->loadUserByUsername($user);
 
         $this->userChecker->checkPostAuth($user);
 

Tests/Util/SecureRandomTest.php

@@ -41,7 +41,7 @@ public function testPoker($secureRandom)
 
         for ($j = 1; $j <= 5000; $j++) {
             $k = 4 * $j - 1;
-            $c[8 * $b[$k - 3] + 4 * $b[$k - 2] + 2 * $b[$k - 1] + $b[$k]] += 1;
+            ++$c[8 * $b[$k - 3] + 4 * $b[$k - 2] + 2 * $b[$k - 1] + $b[$k]];
         }
 
         $f = 0;
@@ -73,14 +73,14 @@ public function testRun($secureRandom)
                 $run = 6;
             }
 
-            $runs[$run] += 1;
+            ++$runs[$run];
         };
 
         $currentRun = 0;
         $lastBit = null;
         for ($i = 0; $i < 20000; $i++) {
             if ($lastBit === $b[$i]) {
-                $currentRun += 1;
+                ++$currentRun;
             } else {
                 if ($currentRun > 0) {
                     $addRun($currentRun);
@@ -115,7 +115,7 @@ public function testLongRun($secureRandom)
         $lastBit = null;
         for ($i = 0; $i < 20000; $i++) {
             if ($lastBit === $b[$i]) {
-                $currentRun += 1;
+                ++$currentRun;
             } else {
                 if ($currentRun > $longestRun) {
                     $longestRun = $currentRun;