merged branch alex88/patch-1 (PR #494)

Commits
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eb5d0a48 Fixed missing line before list
07b1246b Fixed null from string to vartype
b5fb45f6 Added configuration example for external server

Discussion
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Added configuration example for external server

Just added an example of how to configure an external smtp server for newbie users which don't know where to set it up.

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by alex88 at 2012-09-18T17:59:13Z

Sorry for the errors, is it ok now?

doc/providers/swiftmailer.rst

@@ -22,6 +22,17 @@ Parameters
   * **encryption**: SMTP encryption, defaults to null.
   * **auth_mode**: SMTP authentication mode, defaults to null.
 
+  Example usage::
+
+    $app['swiftmailer.options'] = array(
+        'host' => 'host',
+        'port' => '25',
+        'username' => 'username',
+        'password' => 'password',
+        'encryption' => null,
+        'auth_mode' => null
+    );
+
 Services
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