Witnesses relying on conductor should upgrade to 0.3.x
Market accuracy and feeds improvements:
*add volume support for Bittrex
*enable Volume Weighted Pricing for STEEM, SBD
*remove BTC-E
*added safety to avoid publishing erroneous data
Automated Failover and kill-switch:
*support an arbitrary number of failover keys
*forgive old block misses (24hr+)
UX improvements:
*guide new users towards conductor init
*cli hook ensures witness data is always up to date
*config file moved to ~/.conductor.json