Don't show Create Account address in Import Account; reactivity & submit fixes

Name the currency Ether

Add logo

Set up semistandard + prettier & lint pre-commit hook

Check Internet connection; NOPEERS if peerCount <= 1

Download parity as parity[.exe].part and then rename

Remove nodeHealth$, use peerCount$

Change makeContract$ to makeContract

Update light.js dependency (now without precompiled lib/)