Right trimming configuration data before markers

A newline is inserted after the data and before the end-section marker. Inserting empty lines in configuration files. 

Fixes #119

Author: Michiel Missotten

src/Configurator/AbstractConfigurator.php

@@ -54,6 +54,6 @@ protected function isFileMarked(Recipe $recipe, $file)
 
     protected function markData(Recipe $recipe, $data)
     {
-        return PHP_EOL.sprintf('###> %s ###%s%s%s###< %s ###%s', $recipe->getName(), PHP_EOL, $data, PHP_EOL, $recipe->getName(), PHP_EOL);
+        return PHP_EOL.sprintf('###> %s ###%s%s%s###< %s ###%s', $recipe->getName(), PHP_EOL, rtrim($data, PHP_EOL), PHP_EOL, $recipe->getName(), PHP_EOL);
     }
 }