add updates to release notes for 1.5.8
add updates to release notes for 1.5.8

cryptapus/electrum,pooler/electrum-ltc,digitalbitbox/electrum,spesmilo/electrum,spesmilo/electrum,kyuupichan/electrum,digitalbitbox/electrum,wakiyamap/electrum-mona,neocogent/electrum,dashpay/electrum-dash,vialectrum/vialectrum,protonn/Electrum-Cash,wakiyamap/electrum-mona,pooler/electrum-ltc,pooler/electrum-ltc,imrehg/electrum,procrasti/electrum,fireduck64/electrum,molecular/electrum,romanz/electrum,cryptapus/electrum-myr,dabura667/electrum,FairCoinTeam/electrum-fair,cryptapus/electrum-myr,argentumproject/electrum-arg,protonn/Electrum-Cash,digitalbitbox/electrum,fireduck64/electrum,aasiutin/electrum,spesmilo/electrum,kyuupichan/electrum,fyookball/electrum,aasiutin/electrum,vertcoin/electrum-vtc,molecular/electrum,FairCoinTeam/electrum-fair,cryptapus/electrum,pknight007/electrum-vtc,pooler/electrum-ltc,cryptapus/electrum-myr,vertcoin/electrum-vtc,procrasti/electrum,romanz/electrum,cryptapus/electrum-uno,lbryio/lbryum,cryptapus/electrum-uno,vertcoin/electrum-vtc,vialectrum/vialectrum,asfin/electrum,fireduck64/electrum,pknight007/electrum-vtc,dabura667/electrum,dabura667/electrum,protonn/Electrum-Cash,dashpay/electrum-dash,procrasti/electrum,wakiyamap/electrum-mona,romanz/electrum,aasiutin/electrum,argentumproject/electrum-arg,procrasti/electrum,kyuupichan/electrum,dashpay/electrum-dash,dabura667/electrum,cryptapus/electrum-myr,vertcoin/electrum-vtc,molecular/electrum,imrehg/electrum,digitalbitbox/electrum,argentumproject/electrum-arg,fujicoin/electrum-fjc,FairCoinTeam/electrum-fair,pknight007/electrum-vtc,imrehg/electrum,imrehg/electrum,asfin/electrum,dashpay/electrum-dash,neocogent/electrum,lbryio/lbryum,spesmilo/electrum,cryptapus/electrum-uno,asfin/electrum,protonn/Electrum-Cash,fireduck64/electrum,FairCoinTeam/electrum-fair,fujicoin/electrum-fjc,cryptapus/electrum-uno,molecular/electrum,fyookball/electrum,fujicoin/electrum-fjc,argentumproject/electrum-arg,neocogent/electrum,pknight007/electrum-vtc,vialectrum/vialectrum,aasiutin/electrum,wakiyamap/electrum-mona,fyookball/electrum,cryptapus/electrum