Merge branch '3.0'

* 3.0:
  [ClassLoader] Use symfony/polyfill-apcu
  [HttpFoundation][Cookie] Cookie DateTimeInterface fix
  bumped Symfony version to 2.8.3
  updated VERSION for 2.8.2
  updated CHANGELOG for 2.8.2
  bumped Symfony version to 2.7.10
  updated VERSION for 2.7.9
  updated CHANGELOG for 2.7.9
  bumped Symfony version to 2.3.38
  updated VERSION for 2.3.37
  update CONTRIBUTORS for 2.3.37
  updated CHANGELOG for 2.3.37
  added missing requirement
  removed obsolete tests, fixed composer.json
  do not ship with a custom rng implementation
  [Console] HHVM read input stream bug
  Fix max width for multibyte keys in choice question
  [Console] Display console application name even when no version set
  Remove calls to non-existing method
  Remove empty statements.

Author: nicolas-grekas

Tests/Iterator/MockSplFileInfo.php

@@ -52,7 +52,7 @@ public function isFile()
     {
         if (null === $this->type) {
             return false !== strpos($this->getFilename(), 'file');
-        };
+        }
 
         return self::TYPE_FILE === $this->type;
     }