Update LICENSE.md (#3587)

MarcBalaban · timdorr · commit 13f327be99ba · 2016-06-29T14:55:03.000-04:00
* Update LICENSE.md

* used React licensing format
diff --git a/LICENSE.md b/LICENSE.md
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2015 Ryan Florence, Michael Jackson
+Copyright (c) 2015-present, Ryan Florence, Michael Jackson
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
