Add bitcoin-segwit
Add bitcoin-segwit

Groestlcoin/electrumx-grs,Crowndev/electrumx,shsmith/electrumx,thelazier/electrumx,Crowndev/electrumx,shsmith/electrumx,Groestlcoin/electrumx-grs,erasmospunk/electrumx,erasmospunk/electrumx,thelazier/electrumx