Moved configuration tutorials

Author: javiereguiluz

cookbook/configuration/apache_router.rst renamed to configuration/apache_router.rst

@@ -4,6 +4,7 @@ Configuration
 .. toctree::
     :maxdepth: 2
 
+    configuration
     environments
     override_dir_structure
     using_parameters_in_dic

cookbook/configuration/configuration_organization.rst renamed to configuration/configuration_organization.rst

@@ -99,3 +99,11 @@
 /cookbook/cache/form_csrf_caching
 /cookbook/cache/varnish
 /cookbook/composer /composer/installation
+/cookbook/configuration/apache_router /configuration/apache_router
+/cookbook/configuration/configuration_organization /configuration/configuration_organization
+/cookbook/configuration/environments /configuration/environments
+/cookbook/configuration/external_parameters /configuration/external_parameters
+/cookbook/configuration/front_controllers_and_kernel /configuration/front_controllers_and_kernel
+/cookbook/configuration/override_dir_structure /configuration/override_dir_structure
+/cookbook/configuration/using_parameters_in_dic /configuration/using_parameters_in_dic
+/cookbook/configuration/web_server_configuration /configuration/web_server_configuration