Update LICENSE

Author: riverar

LICENSE

@@ -1,3 +1,16 @@
+The following legal persons or entities (collectively, the "Excluded Entities") are
+expressly excluded from the licensing terms set forth below and, as such, do not
+have the right to reproduce, distribute, or create derivative works from the
+software or associated documentation files:
+
+    Yellow Elephant Productions
+    Tidal Media Inc.
+
+The Excluded Entities may not exercise any of the rights granted to other users
+under these licensing terms.
+
+---
+
 The MIT License (MIT)
 
 Copyright (c) 2015