auto-update when metamask changes
Bug Description
right now nany change in network/account only affects the site after refreshing it
Expected Behavior
it hsould refresh automatically
Possible Source
in web3Actions.js we only fetch it once
Steps to Reproduce the Bug
Possible Solution
https://ethereum.stackexchange.com/questions/42768/how-can-i-detect-change-in-account-in-metamask