Deprecate the 'ini' module

lib/ini.js

@@ -1,3 +1,7 @@
+var sys = require('sys');
+
+sys.error('The "ini" module will be removed in future versions of Node, please extract it into your own code.');
+
 // TODO:
 // 1. Handle quoted strings, including line breaks, so that this:
 //    foo = "bar