remove bouncy

rework request proxy to use native http request and direct socket pipe.
Cuts out bouncy which is no longer maintained and simplifies the code
path.

lib/BindingAgent.js

@@ -0,0 +1,23 @@
+var http = require('http');
+var util = require('util');
+var assert = require('assert');
+
+// binding agent will return a given options.socket as the socket for the agent
+// this is useful if you already have a socket established and want the request
+// to use that socket instead of making a new one
+function BindingAgent(options) {
+    options = options || {};
+    http.Agent.call(this, options);
+
+    this.socket = options.socket;
+    assert(this.socket, 'socket is required for BindingAgent');
+    this.createConnection = create_connection;
+}
+
+util.inherits(BindingAgent, http.Agent);
+
+function create_connection(port, host, options) {
+    return this.socket;
+}
+
+module.exports = BindingAgent;