merged branch gajdaw/2_0_component_classloader_cs (PR #4072)

Commits
-------

54ec687 [2.0][Component][ClassLoader] cs

Discussion
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[2.0][Component][ClassLoader] CS

Bug fix: no
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: yes
Fixes the following tickets: -
Todo: -

src/Symfony/Component/ClassLoader/ApcUniversalClassLoader.php

@@ -84,6 +84,8 @@ class ApcUniversalClassLoader extends UniversalClassLoader
      * Finds a file by class name while caching lookups to APC.
      *
      * @param string $class A class name to resolve to file
+     *
+     * @return string|null The path, if found
      */
     public function findFile($class)
     {

src/Symfony/Component/ClassLoader/ClassCollectionLoader.php

@@ -172,7 +172,7 @@ class ClassCollectionLoader
     /**
      * Writes a cache file.
      *
-     * @param string $file Filename
+     * @param string $file    Filename
      * @param string $content Temporary file content
      *
      * @throws \RuntimeException when a cache file cannot be written

src/Symfony/Component/ClassLoader/UniversalClassLoader.php

@@ -169,8 +169,8 @@ class UniversalClassLoader
     /**
      * Registers a set of classes using the PEAR naming convention.
      *
-     * @param string       $prefix  The classes prefix
-     * @param array|string $paths   The location(s) of the classes
+     * @param string       $prefix The classes prefix
+     * @param array|string $paths  The location(s) of the classes
      *
      * @api
      */