install instructions for zbar. fixes #610
install instructions for zbar. fixes #610

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