Merge branch '4.2'

* 4.2:
  fixing parsing
  Update event_dispatcher.rst
  Update testing.rst to be compatible with windows
  Fix of old service ids styles to class name

Author: javiereguiluz

components/event_dispatcher.rst

@@ -262,7 +262,7 @@ order. Start by creating this custom event class and documenting it::
      */
     class OrderPlacedEvent extends Event
     {
-        const NAME = 'order.placed';
+        public const NAME = 'order.placed';
 
         protected $order;
 

testing.rst

@@ -109,13 +109,13 @@ You can also limit a test run to a directory or a specific test file:
 .. code-block:: terminal
 
     # run all tests of the application
-    $ ./bin/phpunit
+    $ php bin/phpunit
 
     # run all tests in the Util/ directory
-    $ ./bin/phpunit tests/Util
+    $ php bin/phpunit tests/Util
 
     # run tests for the Calculator class
-    $ ./bin/phpunit tests/Util/CalculatorTest.php
+    $ php bin/phpunit tests/Util/CalculatorTest.php
 
 .. index::
    single: Tests; Functional tests