added module as default package main

Author: sokra

lib/WebpackOptionsDefaulter.js

@@ -81,9 +81,9 @@ function WebpackOptionsDefaulter() {
 	});
 	this.set("resolve.mainFields", "make", function(options) {
 		if(options.target === "web" || options.target === "webworker")
-			return ["browser", "web", "browserify", "main"];
+			return ["browser", "module", "main"];
 		else
-			return ["main"];
+			return ["module", "main"];
 	});
 
 	this.set("resolveLoader", {});