Revert "Deprecate end() by having it call quit() instead. Marked for eventual removal. Fixes redis#419"

A hard client-side quit is useful for test purposes, and some other rare use cases.

This reverts commit a8ee9cd.

Author: brycebaril

index.js

@@ -857,14 +857,12 @@ RedisClient.prototype.pub_sub_command = function (command_obj) {
     }
 };
 
-// Warning! end() has been deprecated and will go away
-// in later versions of this client. Please consider switching to
-// quit() everywhere you use end.
 RedisClient.prototype.end = function () {
-    if (exports.debug_mode) {
-        console.log("Using deprecated .end() method!");
-    }
-    return this.quit();
+    this.stream._events = {};
+    this.connected = false;
+    this.ready = false;
+    this.closing = true;
+    return this.stream.end();
 };
 
 function Multi(client, args) {