tweaked and simplified the first chapter of the quick tour

Author: fabpot

quick_tour/the_big_picture.rst

@@ -17,25 +17,8 @@ Downloading Symfony2
 --------------------
 
 First, check that you have installed and configured a Web server (such as
-Apache) with PHP 5.3.3 or higher.
-
-.. tip::
-   
-    If you have PHP 5.4, you could use the built-in web server. The built-in
-    server should be used only for development purpose, but it can help you
-    to start your project quickly and easily.
-
-    Just use this command to launch the server:
-    
-    .. code-block:: bash
-
-        php -S localhost:80 -t /path/to/www
-
-    where "/path/to/www" is the path to some directory on your machine that
-    you'll extract Symfony into so that the eventual URL to your application
-    is "http://localhost/Symfony/app_dev.php". You can also extract Symfony
-    first and then start the web server in the Symfony "web" directory. If
-    you do this, the URL to your application will be "http://localhost/app_dev.php".
+Apache) with the most recent PHP version possible (PHP 5.3.8 or newer is
+recommended).
 
 Ready? Start by downloading the "`Symfony2 Standard Edition`_", a Symfony
 :term:`distribution` that is preconfigured for the most common use cases and
@@ -71,23 +54,27 @@ have a ``Symfony/`` directory that looks like this:
 
 .. note::
 
-    If you downloaded the Standard Edition *without vendors*, simply run the
-    following command to download all of the vendor libraries:
+    If you are familiar with Composer, you can run the following command
+    instead of downloading the archive:
 
     .. code-block:: bash
 
-        curl -s http://getcomposer.org/installer | php
+        composer.phar create-project symfony/framework-standard-edition path/to/install
 
-    	php composer.phar install
+.. tip::
 
-    If you don't have ``curl`` installed, you can also just download the ``installer``
-    file manually at http://getcomposer.org/installer. Place this file into your
-    project and then run:
+    If you have PHP 5.4, you can use the built-in web server:
 
     .. code-block:: bash
 
-		php installer
-		php composer.phar install
+        # check your PHP CLI configuration
+        php ./app/check.php
+
+        # run the built-in web server
+        php ./app/console server:run
+
+    The built-in server should be used only for development purpose, but it
+    can help you to start your project quickly and easily.
 
 Checking the Configuration
 --------------------------