merged branch jdreesen/fix-01 (PR #129)

Commits
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f8d49d53 [docs] removed obsolete sentence (see 5a0860)

Discussion
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[docs] removed obsolete sentence (see 5a0860)

Since https://github.com/fabpot/Silex/commit/5a08609 use statements for Silex aren't used anymore. But this sentence wasn't removed...

doc/usage.rst

@@ -20,8 +20,6 @@ controller definitions, call the ``run`` method on your application.
 
     $app->run();
 
-The use statement aliases ``Silex\Application`` to ``Application``.
-
 One other thing you have to do is configure your web server. If you
 are using apache you can use a ``.htaccess`` file for this.