Update password_dialog.py
Update password_dialog.py

Added a restriction on password. It should be at least 6 characters, contain an Upper case letter and a special character.
fujicoin/electrum-fjc,neocogent/electrum,cryptapus/electrum,cryptapus/electrum,wakiyamap/electrum-mona,romanz/electrum,fyookball/electrum,FairCoinTeam/electrum-fair,FairCoinTeam/electrum-fair,fujicoin/electrum-fjc,procrasti/electrum,spesmilo/electrum,molecular/electrum,cryptapus/electrum-myr,dashpay/electrum-dash,molecular/electrum,molecular/electrum,vertcoin/electrum-vtc,aasiutin/electrum,digitalbitbox/electrum,imrehg/electrum,asfin/electrum,vialectrum/vialectrum,fireduck64/electrum,vialectrum/vialectrum,procrasti/electrum,dabura667/electrum,kyuupichan/electrum,vertcoin/electrum-vtc,procrasti/electrum,cryptapus/electrum-myr,fireduck64/electrum,cryptapus/electrum-uno,argentumproject/electrum-arg,dashpay/electrum-dash,pooler/electrum-ltc,spesmilo/electrum,pooler/electrum-ltc,procrasti/electrum,aasiutin/electrum,vertcoin/electrum-vtc,cryptapus/electrum-myr,vialectrum/vialectrum,pooler/electrum-ltc,pooler/electrum-ltc,kyuupichan/electrum,aasiutin/electrum,pknight007/electrum-vtc,dabura667/electrum,cryptapus/electrum-uno,cryptapus/electrum-uno,spesmilo/electrum,pknight007/electrum-vtc,protonn/Electrum-Cash,fujicoin/electrum-fjc,asfin/electrum,imrehg/electrum,digitalbitbox/electrum,FairCoinTeam/electrum-fair,cryptapus/electrum,digitalbitbox/electrum,spesmilo/electrum,fireduck64/electrum,lbryio/lbryum,fireduck64/electrum,aasiutin/electrum,vertcoin/electrum-vtc,dabura667/electrum,fyookball/electrum,FairCoinTeam/electrum-fair,wakiyamap/electrum-mona,digitalbitbox/electrum,imrehg/electrum,romanz/electrum,dabura667/electrum,argentumproject/electrum-arg,argentumproject/electrum-arg,pknight007/electrum-vtc,cryptapus/electrum-myr,imrehg/electrum,fyookball/electrum,argentumproject/electrum-arg,lbryio/lbryum,romanz/electrum,wakiyamap/electrum-mona,wakiyamap/electrum-mona,dashpay/electrum-dash,asfin/electrum,kyuupichan/electrum,neocogent/electrum,neocogent/electrum,protonn/Electrum-Cash,dashpay/electrum-dash,protonn/Electrum-Cash,molecular/electrum,cryptapus/electrum-uno,protonn/Electrum-Cash,pknight007/electrum-vtc