specify version

composer.json

@@ -4,6 +4,7 @@
 	"description": "Minify is a PHP5 app that helps you follow several rules for client-side performance. It combines multiple CSS or Javascript files, removes unnecessary whitespace and comments, and serves them with gzip encoding and optimal client-side cache headers",
 	"homepage": "http://code.google.com/p/minify/",
 	"license": "BSD-3-Clause",
+	"version": "2.1.5",
 	"authors": [
 		{
 			"name": "Stephen Clay",