Avoid updating license every year (#1108)

Uses the same template as in main repo to avoid recieving a PR every year.

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2015-2016 Evan You
+Copyright (c) 2015-present Evan You
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal