Update date in LICENSE

Solarswordsman · web-flow · commit ad5646fa7cfb · 2018-10-10T17:22:22.000-04:00
diff --git a/LICENSE b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2014-2016 Roll20 and/or Individual Authors
+Copyright (c) 2014-2018 Roll20 and/or Individual Authors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
