Move Tags article to the topic

Author: wouterj

_build/redirection_map

@@ -14,7 +14,7 @@
 /cookbook/tools/finder /components/finder
 /cookbook/service_container/parentservices /service_container/parent_services
 /cookbook/service_container/factories /service_container/factories
-/cookbook/service_container/tags /components/dependency_injection/tags
+/cookbook/service_container/tags /service_container/tags
 /reference/configuration/mongodb /bundles/DoctrineMongoDBBundle/config
 /reference/YAML /components/yaml
 /cookbook/console/generating_urls /cookbook/console/sending_emails
@@ -256,6 +256,7 @@
 /components/dependency_injection/parameters /service_container/parameters
 /components/dependency_injection/parent_services /service_container/parent_services
 /components/dependency_injection/synthetic_services /service_container/synthetic_services
+/components/dependency_injection/tags /service_container/tags
 /components/event_dispatcher/introduction /components/event_dispatcher
 /components/expression_language/introduction /components/expression_language
 /components/expression_language/index /components/expression_language

components/dependency_injection/tags.rst

@@ -30,9 +30,9 @@ method of the bundle definition class::
     }
 
 One of the most common use-cases of compiler passes is to work with tagged services
-(read more about tags in the components section  ":doc:`/components/dependency_injection/tags`").
-If you are using custom tags in a bundle then by convention, tag names consist
-of the name of the bundle (lowercase, underscores as separators), followed
-by a dot, and finally the "real" name. For example, if you want to introduce
-some sort of "transport" tag in your AcmeMailerBundle, you should call it
+(read more about tags in ":doc:`/service_container/tags`"). If you are using
+custom tags in a bundle then by convention, tag names consist of the name of
+the bundle (lowercase, underscores as separators), followed by a dot, and
+finally the "real" name. For example, if you want to introduce some sort of
+"transport" tag in your AcmeMailerBundle, you should call it
 ``acme_mailer.transport``.