minor #24 Moved book chapters out of the book (javiereguiluz)

This PR was squashed before being merged into the 2.7 branch (closes #24).

Discussion
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Moved book chapters out of the book

Commits
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447fc91 Moved book chapters out of the book

Author: javiereguiluz

book/index.rst

@@ -6,21 +6,8 @@ The Book
 
     http_fundamentals
     from_flat_php_to_symfony2
-    installation
-    page_creation
-    routing
-    templating
     configuration
-    bundles
-    doctrine
     propel
-    testing
-    validation
-    forms
-    security
-    http_cache
-    translation
-    service_container
     performance
 
 .. include:: /book/map.rst.inc