Merge pull request #5329 from hamidre13/3.0

HHVM, supports redis

tests/TestCase/Cache/Engine/RedisEngineTest.php

@@ -33,7 +33,6 @@ class RedisEngineTest extends TestCase {
  * @return void
  */
 	public function setUp() {
-		$this->assertFalse(defined('HHVM_VERSION'), 'Crashes HHVM');
 		parent::setUp();
 		$this->skipIf(!class_exists('Redis'), 'Redis is not installed or configured properly.');