Merge pull request #51 from Yunbran/newDev

New dev
(dev) Add mongodb url
(test) Tests for wallet creation functionality in bitcoinUtilities
(feat) creates basic bitcoin wallet in bitcoinUtilities.js
(fix) Splits private key into 2 parts, 1 per user
(fix) uses localhost mongodb url for development
(feat) wires login and signup forms to controllers and factories
Merge pull request #52 from loqi/newDev

(feat) wires login and signup forms to controllers and factories
Merge pull request #53 from kayellpeee/feat/bitcoinLogic

looks good
Merge conflict package.json fixed
Merged in new files 9-23
Merged in new files 9-23