Merge branch '2.6' into 2.7

* 2.6:
  CS: fixes
  Translator component has default domain for null implemented no need to have default translation domain logic in 3 different places
  [Form] [TwigBridge] Bootstrap layout whitespace control
  [travis] Kill tests when a new commit has been pushed
  fixed CS
  Change behavior to mirror hash_equals() returning early if there is a length mismatch
  CS fixing
  Prevent modifying secrets as much as possible
  Update StringUtils.php
  Whitespace
  Update StringUtils.php
  StringUtils::equals() arguments in RememberMe Cookie based implementation are confused
  CS: general fixes
  [SecurityBundle] removed a duplicated service definition and simplified others.

Conflicts:
	src/Symfony/Bundle/SecurityBundle/Resources/config/security_listeners.xml

Author: fabpot

Tests/Definition/Builder/ExprBuilderTest.php

@@ -114,7 +114,7 @@ public function testIfNotInArrayExpression()
         $this->assertFinalizedValueIs('new_value', $test);
 
         $test = $this->getTestBuilder()
-            ->ifNotInArray(array('foo', 'bar', 'value_from_config' ))
+            ->ifNotInArray(array('foo', 'bar', 'value_from_config'))
             ->then($this->returnClosure('new_value'))
         ->end();
         $this->assertFinalizedValueIs('new_value', $test);