Ported from liberty, using Grunt build system and completely new beautiful example page.

### In active development ###

**No tests yet, coming in the next phase.**

- [x] Port liberty *(https://github.com/PoundPay/liberty)*
- [x] Integrate Grunt
- [x] Grunt task to build `balanced.js` and `balanced-proxy.js`
- [x] Grunt task to build `proxy.html`
- [x] Grunt task to clean build directory of files
- [x] New beautiful example page showing card and bank account tokenization using **BootStrap 3** hotness.
- [x] Integrate Grunt serve of proxy and example html pages *(using node.js express)*
- [x] Optimization; I.E. support, instead of making an external network requests to get Crockfords json2.js, just inline that bad boy.
- [ ] Actually tokenize by hitting balanced, right now `http://localhost:3000/v1/marketplaces/TEST-MP5noKWGqLyLOLKkQkJmKg9s/cards` is a 404 obviously.
- [ ] Import tests from liberty *(https://github.com/PoundPay/liberty)*
- [ ] Cleanup, refactor, and setup tests using Grunt and Jasmine.
- [ ] Remove `init('marketplace/urk')` completely, allow to tokenize from root, i.e. no auth.
- [ ] Test on all browsers using BrowserStack. *(http://www.browserstack.com)*
- [ ] Setup on a staging server and test complely