Aigang MVP Node.JS middle layer and smart contracts

Middle layer is used for iOS app to communicate with Ethereum blockchain. In the nearly future the iOS will interact directly with the Ethereum blockchain. For more reasons why such middle layer was implemented, read here: https://hackernoon.com/building-peer-to-peer-insurance-prototype-on-ethereum-blockchain-in-one-weekend-possible-7c36517805f

To install: npm install -g truffle npm install

To build site:
gulp buildsite

In Production:

npm install --production

NODE_ENV=production node server.js