[meta] add copyright line to license file

LICENSE.md

@@ -2,6 +2,8 @@ The MIT License (MIT)
 
 Copyright (c) 2010 Tim Caswell
 
+Copyright (c) 2014 Jordan Harband
+
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
 the Software without restriction, including without limitation the rights to