we need ability to get style parameters same way we set them with setStyle

from last privatisation update $styles now private. So,
user can set style with public setter (setStyle), but can't
get this value later, which is very stupid behavior!

src/Symfony/Component/Console/Output/Output.php

@@ -68,6 +68,22 @@ abstract class Output implements OutputInterface
         self::$styles[strtolower($name)] = $options;
     }
 
+    /**
+     * Gets style options from style with specified name.
+     *
+     * @param   string  $name
+     *
+     * @return  array
+     */
+    static public function getStyle($name)
+    {
+        if (!isset(self::$styles[strtolower($name)])) {
+            throw new \InvalidArgumentException('Undefined style: ' . $name);
+        }
+
+        return self::$styles[strtolower($name)];
+    }
+
     /**
      * Sets the decorated flag.
      *