Moved the article back to the Assetic section

Author: javiereguiluz

cookbook/assetic/index.rst

@@ -5,6 +5,7 @@ Assetic
     :maxdepth: 2
 
     asset_management
+    php
     uglifyjs
     yuicompressor
     jpeg_optimize

cookbook/frontend/assetic_php.rst renamed to cookbook/assetic/php.rst

@@ -17,7 +17,6 @@ The Cookbook
     email/index
     event_dispatcher/index
     form/index
-    frontend/index
     logging/index
     profiler/index
     request/index

cookbook/frontend/index.rst

@@ -1,6 +1,7 @@
 * :doc:`/cookbook/assetic/index`
 
   * :doc:`/cookbook/assetic/asset_management`
+  * :doc:`/cookbook/assetic/php`
   * :doc:`/cookbook/assetic/uglifyjs`
   * :doc:`/cookbook/assetic/yuicompressor`
   * :doc:`/cookbook/assetic/jpeg_optimize`
@@ -107,11 +108,6 @@
   * (validation) :doc:`/cookbook/validation/custom_constraint`
   * (doctrine) :doc:`/cookbook/doctrine/file_uploads`
 
-
-* :doc:`/cookbook/frontend/index`
-
-  * :doc:`/cookbook/frontend/assetic_php`
-
 * :doc:`/cookbook/logging/index`
 
   * :doc:`/cookbook/logging/monolog`