Merge branch '2.8' into 3.0

* 2.8: (23 commits)
  [Filesystem] Better error handling in remove()
  [DependencyInjection] Add coverage for invalid Expression in exportParameters
  [DependencyInjection] Add coverage for all invalid arguments in exportParameters
  anonymous services are always private
  [Console] Correct time formatting.
  [WebProfilerBundle] Fixed error from unset twig variable
  Force profiler toolbar svg display
  [DependencyInjection] Resolve aliases before removing abstract services + add tests
  Fix Dom Crawler select option with empty value
  Remove unnecessary option assignment
  fix tests (use non-deprecated options)
  remove unused variable
  mock the proper method
  [PropertyAccess] Fix regression
  [HttpFoundation] Improve phpdoc
  [Logging] Add support for firefox in ChromePhpHandler
  Windows 10 version check in just one line
  Detect CLI color support for Windows 10 build 10586
  [Security] Fixed SwitchUserListener when exiting an impersonication with AnonymousToken
  [EventDispatcher] Try first if the event is Stopped
  ...

Author: xabbuh

Command/ContainerDebugCommand.php

@@ -77,7 +77,7 @@ protected function configure()
 
   <info>php %command.full_name% --parameters</info>
 
-Display a specific parameter by specifying his name with the <info>--parameter</info> option:
+Display a specific parameter by specifying its name with the <info>--parameter</info> option:
 
   <info>php %command.full_name% --parameter=kernel.debug</info>