Added MIT License

cleaned up debugging statements, better status messages

first successful test of payment channel

nightly 1/4/2017 - added selfdestruct to contract for testing, implemented a padding functing so web3.sha3() is equivalent to keccak256 in solidity, more work on web3 integration

nightly 1/3/2017 - small fixes to server side code, started work on frontend web3

added requirements.txt, schemas.txt in wrong location

nightly 1/2/2017 - wrote most of server-side code, web3.js integration needed, testing needed

nightly 1/1/2017 - initial commit, wrote solidity contract, started on Flask backend