Feature/make dirs when dirs in lang (martinlindhe#26)

* make dir of js path when not available

* wrap in dirname to get parent directory

Author: krns

src/Generator.php

@@ -110,6 +110,11 @@ public function generateMultiple($path, $umd = null)
             } else {
                 $jsBody = $this->getUMDModule($jsonLocales);
             }
+
+            if (!is_dir(dirname($fileToCreate))) {
+                mkdir(dirname($fileToCreate), 0777, true);
+            }
+
             file_put_contents($fileToCreate, $jsBody);
         }
         return $createdFiles;