bug #5400 Fix after install URL and new photo since AcmeDemoBundle is not part … (smatejic)

This PR was merged into the 2.7 branch.

Discussion
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Fix after install URL and new photo since AcmeDemoBundle is not part …

Since removal of AcmeDemoBundle doc's should have new image and app/example URL

Commits
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c98658c Fix after install URL and new photo since AcmeDemoBundle is not part of 2.7

Author: weaverryan

book/installation.rst

@@ -169,7 +169,8 @@ browsing the project directory and executing this command:
     $ cd my_project_name/
     $ php app/console server:run
 
-Then, open your browser and access the ``http://localhost:8000`` URL to see the
+Then, open your browser and access the ``http://localhost:8000/app/example``
+URL to see the
 Welcome page of Symfony:
 
 .. image:: /images/quick_tour/welcome.png