Merge pull request propelorm#169 from bugbyte/patch-1

Updated Composer installation docs

README.md

@@ -21,6 +21,33 @@ Composer will install it into your project's plugins directory automatically, an
         }
     }
 
+Of course, don't forget to add Composer's autoloader to your ProjectConfiguration:
+
+``` php
+// config/ProjectConfiguration.class.php
+
+require __DIR__ .'/../lib/vendor/autoload.php';
+
+require_once dirname(__FILE__) .'/../lib/vendor/symfony/lib/autoload/sfCoreAutoload.class.php';
+sfCoreAutoload::register();
+
+class ProjectConfiguration extends sfProjectConfiguration
+{
+    public function setup()
+    {
+        $this->enablePlugins(array(
+            'sfPropelORMPlugin',
+            ...
+        ));
+
+        // mandatory because of the Composer vendor directory naming scheme
+        sfConfig::set('sf_phing_path', sfConfig::get('sf_lib_dir') .'/vendor/phing/phing');
+        sfConfig::set('sf_propel_path', sfConfig::get('sf_lib_dir') .'/vendor/propel/propel1');
+    }
+}
+```
+
+
 ### The Git way
 
 Clone the plugin from Github: