Cleaned up code to be consistent, inc. adding docblocs, using PSR naming conventions & typos

Docblocs benefits:
- IDE auto complete gives info on type etc
- Auto documentation on CI

AbstractFactory/Media.php

@@ -3,11 +3,20 @@
 namespace DesignPatterns\AbstractFactory;
 
 /**
+ * Interface Media
+ *
  * This contract is not part of the pattern, in general case, each component
  * are not related
+ *
+ * @package DesignPatterns\AbstractFactory
  */
 interface Media
 {
 
+    /**
+     * some crude rendering from JSON or html output (depended on concrete class)
+     *
+     * @return string
+     */
     function render();
 }