Add mime export for back-compat

Author: dougwilson

index.js

@@ -86,6 +86,15 @@ exports = module.exports = function(root, options){
   };
 };
 
+/**
+ * Expose mime module.
+ *
+ * If you wish to extend the mime table use this
+ * reference to the "mime" module in the npm registry.
+ */
+
+exports.mime = send.mime;
+
 /**
  * Escape the given string of `html`.
  *