Update license file, add Trevor the author and contributors.

youchenlee · youchenlee · commit 758f0fae1ea7 · 2015-11-05T18:50:11.000+08:00
diff --git a/LICENSE b/LICENSE
@@ -1,5 +1,7 @@
 The MIT License (MIT)
 
+Copyright (c) 2015 Trevor Sawler <https://github.com/tsawler>
+Copyright (c) 2015 All contributors from GitHub
 Copyright (c) 2015 UniSharp
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
