Update README.md

Add deprecation note to readme

README.md

@@ -1,9 +1,10 @@
-This plugin integrates with Grails' resources framework to automatically
+# YUI Minify Resources Plugin is deprecated #
+With the deprecation of the YUI Compressor tool (http://www.yuiblog.com/blog/2012/10/16/state-of-yui-compressor/) 
+this grails plugin has been deprecated too! You may still wish to use it in your projects but please be aware that
+no supprt and no bugfixing is provided.
+
+YUI minify resources integrates with Grails' resources framework to automatically
 compress javascript and css files using the YUI Compressor tool
 (http://developer.yahoo.com/yui/compressor/).
 
-By default, in this alpha, all files ending with .css and .js will be
-compressed all other files including files ending with .min.js or .min.css are
-ignored.
-
-Read the plugin documentation at http://www.grails.org/plugin/yui-minify-resources for more details.
+Read the full plugin documentation at http://www.grails.org/plugin/yui-minify-resources for more details.