rewrite of internals

advance sample on internals rewrite
add links to components for foundation and kernel
link more events and add link of missing terminate event
keep </ consistency
fix as </ is for paths and not for references
changed reference link as per stof's comment

Author: cordoval

book/internals.rst

@@ -46,6 +46,10 @@ variables:
   :class:`Symfony\\Component\\HttpFoundation\\SessionStorage\\SessionStorageInterface`
   interface abstract session management ``session_*()`` functions.
 
+.. note::
+
+    Read more about the :doc:`HttpFoundation Component </components/http_foudation/introduction>`.
+
 ``HttpKernel`` Component
 ~~~~~~~~~~~~~~~~~~~~~~~~
 
@@ -60,7 +64,8 @@ Dependency Injection component and a powerful plugin system (bundles).
 
 .. seealso::
 
-    Read more about :doc:`Dependency Injection </book/service_container>` and
+    Read more about the :doc:`HttpKernel Component </components/http_kernel/introduction>`,
+    :doc:`Dependency Injection </book/service_container>` and
     :doc:`Bundles </cookbook/bundles/best_practices>`.
 
 ``FrameworkBundle`` Bundle
@@ -258,6 +263,10 @@ uses a :class:`Symfony\\Component\\Routing\\RouterInterface` object to match
 the ``Request`` and determine the Controller name (stored in the
 ``_controller`` ``Request`` attribute).
 
+.. seealso::
+
+    Read more on the :ref:`kernel.request event <component-http-kernel-kernel-request>`.
+
 .. index::
    single: Event; kernel.controller
 
@@ -280,6 +289,10 @@ to modify the controller that should be executed::
         $event->setController($controller);
     }
 
+.. seealso::
+
+    Read more on the :ref:`kernel.controller event <component-http-kernel-kernel-controller>`.
+
 .. index::
    single: Event; kernel.view
 
@@ -309,6 +322,10 @@ The value returned by the Controller is accessible via the
         $event->setResponse($response);
     }
 
+.. seealso::
+
+    Read more on the :ref:`kernel.view event <component-http-kernel-kernel-view>`.
+
 .. index::
    single: Event; kernel.response
 
@@ -342,6 +359,10 @@ The ``FrameworkBundle`` registers several listeners:
   ``Surrogate-Control`` HTTP header when the Response needs to be parsed for
   ESI tags.
 
+.. seealso::
+
+    Read more on the :ref:`kernel.response event <component-http-kernel-kernel-response>`.
+
 .. index::
    single: Event; kernel.exception
 
@@ -386,6 +407,10 @@ The event dispatcher is a standalone component that is responsible for much
 of the underlying logic and flow behind a Symfony request. For more information,
 see the :doc:`Event Dispatcher Component Documentation</components/event_dispatcher/introduction>`.
 
+.. seealso::
+
+    Read more on the :ref:`kernel.exception event <component-http-kernel-kernel-exception>`.
+
 .. index::
    single: Profiler
 

components/http_kernel/introduction.rst

@@ -256,6 +256,8 @@ will be called after another event - ``kernel.controller`` - is dispatched.
     There are also a few other variations on the above process (e.g. if
     you're registering your controllers as services).
 
+.. _component-http-kernel-kernel-controller:
+
 3) The ``kernel.controller`` event
 ----------------------------------