Merge pull request #74 from tlrobinson/master

Fixes stylesheet <link>s being discarded when used with "inject: 'head'"

index.js

@@ -300,7 +300,7 @@ HtmlWebpackPlugin.prototype.injectAssetsIntoHtml = function(html, templateParams
   head = head.concat(styles);
   // Add scripts to body or head
   if (this.options.inject === 'head') {
-    head = body.concat(scripts);
+    head = head.concat(scripts);
   } else {
     body = body.concat(scripts);
   }