Merge pull request #34 from humanmade/fix-license

Update license for new requirements

Author: rmccue

composer.json

@@ -2,7 +2,7 @@
 	"name": "humanmade/coding-standards",
 	"description": "Human Made coding standards",
 	"type": "project",
-	"license": "GPL-2.0",
+	"license": "GPL-2.0-or-later",
 	"require": {
 		"wp-coding-standards/wpcs": "^0.13.1",
 		"fig-r/psr2r-sniffer": "dev-master",