Local storage's File quacks like other Directories

Even though it doesn't accept any options, it'd be nice if it accepted
them anyway in the name of duck typing and allowing backends to be more
swappable.

lib/fog/local/models/storage/directories.rb

@@ -18,7 +18,7 @@ module Fog
           load(data)
         end
 
-        def get(key)
+        def get(key, options = {})
           if ::File.directory?(service.path_to(key))
             new(:key => key)
           else