Merge branch '3.0'

* 3.0:
  [ci] use hirak/prestissimo
  [Filesystem] Fix transient tests
  [WebProfiler] Sidebar button padding
  Updated some missing READMEs
  [HttpFoundation] Avoid warnings when checking malicious IPs
  [HttpFoundation] Set the Content-Range header if the requested Range is unsatisfied

Author: nicolas-grekas

README.md

@@ -9,23 +9,8 @@ the Java Spring framework.
 Resources
 ---------
 
-<<<<<<< HEAD
-Documentation:
-
-https://symfony.com/doc/3.1/book/security.html
-
-Tests
------
-
-You can run the unit tests with the following command:
-
-    $ cd path/to/Symfony/Component/Security/Http/
-    $ composer.phar install --dev
-    $ phpunit
-=======
   * [Documentation](https://symfony.com/doc/current/components/security/index.html)
   * [Contributing](https://symfony.com/doc/current/contributing/index.html)
   * [Report issues](https://github.com/symfony/symfony/issues) and
     [send Pull Requests](https://github.com/symfony/symfony/pulls)
     in the [main Symfony repository](https://github.com/symfony/symfony)
->>>>>>> 3.0