update stratum pool version to v0.2.16

update reward beneficiary to auto adapt on `0x` prefix

update rewardInterval to use unit (min) instead of unit (sec)

set base balance for beneficiary on first startup

upgrade async and node-watch

keep website as is

print uncaughtException and unhandledRejection on node.js process

Merge branch 'master' of github.com:meterio/nomp

config for reward processor

config for reward pool

set dependencies with stable versions

fix the log issue

update README

clean up logs for better readability

formalize workers before calculation