feat(core): update session, security system and QR exchange

- Removed session creation and Lightning payment logic
- Refactored security system:
  * no more restrictions
  * all systems enabled on session creation
- Improved QR code exchange for mobile devices

node_modules/cbor-js/README.md

@@ -0,0 +1,53 @@
+cbor-js
+=======
+
+The Concise Binary Object Representation (CBOR) data format ([RFC 7049](http://tools.ietf.org/html/rfc7049)) implemented in pure JavaScript.
+
+[![Build Status](https://api.travis-ci.org/paroga/cbor-js.png)](https://travis-ci.org/paroga/cbor-js)
+[![Coverage Status](https://coveralls.io/repos/paroga/cbor-js/badge.png?branch=master)](https://coveralls.io/r/paroga/cbor-js?branch=master)
+[![Dependency status](https://david-dm.org/paroga/cbor-js/status.png)](https://david-dm.org/paroga/cbor-js#info=dependencies&view=table)
+[![Dev Dependency Status](https://david-dm.org/paroga/cbor-js/dev-status.png)](https://david-dm.org/paroga/cbor-js#info=devDependencies&view=table)
+[![Selenium Test Status](https://saucelabs.com/buildstatus/paroga-cbor-js)](https://saucelabs.com/u/paroga-cbor-js)
+
+[![Selenium Test Status](https://saucelabs.com/browser-matrix/paroga-cbor-js.svg)](https://saucelabs.com/u/paroga-cbor-js)
+
+API
+---
+
+The `CBOR`-object provides the following two functions:
+
+CBOR.**decode**(*data*)
+> Take the ArrayBuffer object *data* and return it decoded as a JavaScript object.
+
+CBOR.**encode**(*data*)
+> Take the JavaScript object *data* and return it encoded as a ArrayBuffer object.
+
+Usage
+-----
+
+Include `cbor.js` in your or HTML page:
+```html
+<script src="path/to/cbor.js" type="text/javascript"></script>
+```
+
+Then you can use it via the `CBOR`-object in your code:
+```javascript
+var initial = { Hello: "World" };
+var encoded = CBOR.encode(initial);
+var decoded = CBOR.decode(encoded);
+```
+After running this example `initial` and `decoded` represent the same value.
+
+### Combination with WebSocket
+
+The API was designed to play well with the `WebSocket` object in the browser:
+```javascript
+var websocket = new WebSocket(url);
+websocket.binaryType = "arraybuffer";
+...
+websocket.onmessage = function(event) {
+  var message = CBOR.decode(event.data);
+};
+...
+websocket.send(CBOR.encode(message));
+```