Change symfony-docs internal links avoiding absolute urls

Author: dangarzon

best_practices/web-assets.rst

@@ -49,8 +49,9 @@ tools like GruntJS.
     Use Assetic to compile, combine and minimize web assets, unless you're
     comfortable with frontend tools like GruntJS.
 
-`Assetic`_ is an asset manager capable of compiling assets developed with
-a lot of different frontend technologies like LESS, Sass and CoffeeScript.
+:doc:`Assetic </cookbook/assetic/asset_management>` is an asset manager capable
+of compiling assets developed with a lot of different frontend technologies
+like LESS, Sass and CoffeeScript.
 Combining all your assets with Assetic is a matter of wrapping all the assets
 with a single Twig tag:
 
@@ -86,12 +87,11 @@ separating the repositories if you want).
 Learn More about Assetic
 ------------------------
 
-Assetic can also minimize CSS and JavaScript assets `using UglifyCSS/UglifyJS`_
-to speed up your websites. You can even `compress images`_ with Assetic to
-reduce their size before serving them to the user. Check out the
-`official Assetic documentation`_ to learn more about all the available features.
+Assetic can also minimize CSS and JavaScript assets
+:doc:`using UglifyCSS/UglifyJS </cookbook/assetic/uglifyjs>` to speed up your
+websites. You can even :doc:`compress images </cookbook/assetic/jpeg_optimize>`
+with Assetic to reduce their size before serving them to the user. Check out
+the `official Assetic documentation`_ to learn more about all the available
+features.
 
-.. _`Assetic`: http://symfony.com/doc/current/cookbook/assetic/asset_management.html
-.. _`using UglifyCSS/UglifyJS`: http://symfony.com/doc/current/cookbook/assetic/uglifyjs.html
-.. _`compress images`: http://symfony.com/doc/current/cookbook/assetic/jpeg_optimize.html
 .. _`official Assetic documentation`: https://github.com/kriswallsmith/assetic