Added caution notes about the deprecation of container scopes

Author: javiereguiluz

cookbook/console/console_command.rst

@@ -82,6 +82,11 @@ for details.
 Getting Services from the Service Container
 -------------------------------------------
 
+.. caution::
+
+    The "container scopes" concept explained in this section has been deprecated
+    in Symfony 2.8 and it will be removed in Symfony 3.0.
+
 By using :class:`Symfony\\Bundle\\FrameworkBundle\\Command\\ContainerAwareCommand`
 as the base class for the command (instead of the more basic
 :class:`Symfony\\Component\\Console\\Command\\Command`), you have access to the

cookbook/service_container/scopes.rst

@@ -4,6 +4,11 @@
 How to Work with Scopes
 =======================
 
+.. caution::
+
+    The "container scopes" concept explained in this article has been deprecated
+    in Symfony 2.8 and it will be removed in Symfony 3.0.
+
 This article is all about scopes, a somewhat advanced topic related to the
 :doc:`/book/service_container`. If you've ever gotten an error mentioning
 "scopes" when creating services, then this article is for you.