refactor server

* shows some basic statistics on main page
* move tcp proxy setup into separate file
* migrate github page theme to be hosted locally

static/js/index.js

@@ -0,0 +1,37 @@
+var eio = require('engine.io-client');
+var flipCounter = require('flip-counter');
+
+var request_counter = new flipCounter('request-count', {
+    value: 0,
+    pace: 10,
+    fW: 30,
+    tFH: 20,
+    bFH: 40,
+    bOffset: 200,
+    auto: false
+});
+
+var user_counter = new flipCounter('user-count', {
+    value: 0,
+    pace: 10,
+    fW: 30,
+    tFH: 20,
+    bFH: 40,
+    bOffset: 200,
+    auto: false
+});
+
+var socket = eio('/');
+socket.on('open', function () {
+});
+
+socket.on('message', function (data) {
+    var msg = JSON.parse(data);
+    request_counter.incrementTo(msg.requests);
+    user_counter.incrementTo(msg.tunnels);
+});
+
+socket.on('close', function () {
+    request_counter.incrementTo(0);
+    user_counter.incrementTo(0);
+});