move buffer-writer to external module

Author: brianc

lib/connection.js

@@ -4,7 +4,7 @@ var EventEmitter = require('events').EventEmitter;
 var util = require('util');
 
 var utils = require(__dirname + '/utils');
-var Writer = require(__dirname + '/writer');
+var Writer = require('buffer-writer');
 
 var Connection = function(config) {
   EventEmitter.call(this);

lib/writer.js

@@ -19,7 +19,7 @@
   "main": "./lib",
   "dependencies": {
     "generic-pool": "2.0.2",
-    "deprecate": "~0.1.0"
+    "buffer-writer": "1.0.0"
   },
   "devDependencies": {
     "jshint": "git://github.com/jshint/jshint.git"