[#1643] Removing duplication in the list of DIC tags and linking between "Tags" section and DIC Tags reference document

Author: weaverryan

book/service_container.rst

@@ -922,21 +922,8 @@ The following is a list of tags available with the core Symfony2 bundles.
 Each of these has a different effect on your service and many tags require
 additional arguments (beyond just the ``name`` parameter).
 
-* assetic.filter
-* assetic.templating.php
-* data_collector
-* form.field_factory.guesser
-* kernel.cache_warmer
-* kernel.event_listener
-* kernel.event_subscriber
-* monolog.logger
-* routing.loader
-* security.listener.factory
-* security.voter
-* templating.helper
-* twig.extension
-* translation.loader
-* validator.constraint_validator
+For a list of all the tags available in the core Symfony Framework, check
+out :doc:`/reference/dic_tags`.
 
 Learn more
 ----------

reference/dic_tags.rst

@@ -6,7 +6,12 @@ to "flag" it to be used in some special way. For example, if you have a service
 that you would like to register as a listener to one of Symfony's core events,
 you can flag it with the ``kernel.event_listener`` tag.
 
-Below is information about all of the tags available inside Symfony2:
+You can learn a little bit more about "tags" by reading the ":ref:`book-service-container-tags`"
+section of the Service Container chapter.
+
+Below is information about all of the tags available inside Symfony2. There
+may also be tags in other bundles you use that aren't listed here. For example,
+the AsseticBundle has several tags that aren't listed here.
 
 +-----------------------------------+---------------------------------------------------------------------------+
 | Tag Name                          | Usage                                                                     |