[Qt] show network/chain errors in the GUI
[Qt] show network/chain errors in the GUI

zetacoin/zetacoin,bitcoinplusorg/xbcwalletsource,Electronic-Gulden-Foundation/egulden,gravio-net/graviocoin,EntropyFactory/creativechain-core,zcoinofficial/zcoin,nlgcoin/guldencoin-official,jl2012/litecoin,nlgcoin/guldencoin-official,bitcoinplusorg/xbcwalletsource,HashUnlimited/Einsteinium-Unlimited,zcoinofficial/zcoin,bdelzell/creditcoin-org-creditcoin,oklink-dev/bitcoin,lbrtcoin/albertcoin,litecoin-project/litecore-litecoin,HashUnlimited/Einsteinium-Unlimited,lbrtcoin/albertcoin,EntropyFactory/creativechain-core,magacoin/magacoin,jl2012/litecoin,martindale/elements,litecoin-project/litecore-litecoin,EntropyFactory/creativechain-core,oklink-dev/bitcoin,nlgcoin/guldencoin-official,gjhiggins/vcoincore,zcoinofficial/zcoin,experiencecoin/experiencecoin,lbrtcoin/albertcoin,lbrtcoin/albertcoin,okinc/bitcoin,lbrtcoin/albertcoin,litecoin-project/litecore-litecoin,funkshelper/woodcore,cannabiscoindev/cannabiscoin420,oklink-dev/bitcoin,bitcoinplusorg/xbcwalletsource,nlgcoin/guldencoin-official,itmanagerro/tresting,zcoinofficial/zcoin,bdelzell/creditcoin-org-creditcoin,okinc/bitcoin,lbrtcoin/albertcoin,litecoin-project/litecore-litecoin,funkshelper/woodcore,itmanagerro/tresting,reorder/viacoin,cannabiscoindev/cannabiscoin420,itmanagerro/tresting,oklink-dev/bitcoin,Electronic-Gulden-Foundation/egulden,shaolinfry/litecoin,ShadowMyst/creativechain-core,shaolinfry/litecoin,cannabiscoindev/cannabiscoin420,gjhiggins/vcoincore,jl2012/litecoin,EntropyFactory/creativechain-core,emc2foundation/einsteinium,reorder/viacoin,emc2foundation/einsteinium,shaolinfry/litecoin,metacoin/florincoin,lbrtcoin/albertcoin,okinc/bitcoin,gjhiggins/vcoincore,magacoin/magacoin,lbrtcoin/albertcoin,HashUnlimited/Einsteinium-Unlimited,funkshelper/woodcore,OmniLayer/omnicore,Electronic-Gulden-Foundation/egulden,litecoin-project/litecore-litecoin,litecoin-project/litecore-litecoin,metacoin/florincoin,bitcoinplusorg/xbcwalletsource,martindale/elements,reorder/viacoin,itmanagerro/tresting,okinc/bitcoin,gravio-net/graviocoin,Electronic-Gulden-Foundation/egulden,gravio-net/graviocoin,experiencecoin/experiencecoin,oklink-dev/bitcoin,Electronic-Gulden-Foundation/egulden,experiencecoin/experiencecoin,metacoin/florincoin,zcoinofficial/zcoin,lbrtcoin/albertcoin,martindale/elements,OmniLayer/omnicore,magacoin/magacoin,martindale/elements,emc2foundation/einsteinium,shaolinfry/litecoin,HashUnlimited/Einsteinium-Unlimited,reorder/viacoin,metacoin/florincoin,itmanagerro/tresting,ShadowMyst/creativechain-core,shaolinfry/litecoin,emc2foundation/einsteinium,cannabiscoindev/cannabiscoin420,bitcoinplusorg/xbcwalletsource,experiencecoin/experiencecoin,experiencecoin/experiencecoin,ShadowMyst/creativechain-core,itmanagerro/tresting,zcoinofficial/zcoin,gjhiggins/vcoincore,nlgcoin/guldencoin-official,ShadowMyst/creativechain-core,zcoinofficial/zcoin,Electronic-Gulden-Foundation/egulden,jl2012/litecoin,bitcoinplusorg/xbcwalletsource,ShadowMyst/creativechain-core,funkshelper/woodcore,metacoin/florincoin,oklink-dev/bitcoin,EntropyFactory/creativechain-core,martindale/elements,jl2012/litecoin,lbrtcoin/albertcoin,jl2012/litecoin,emc2foundation/einsteinium,EntropyFactory/creativechain-core,shaolinfry/litecoin,OmniLayer/omnicore,lbrtcoin/albertcoin,OmniLayer/omnicore,HashUnlimited/Einsteinium-Unlimited,metacoin/florincoin,bdelzell/creditcoin-org-creditcoin,lbrtcoin/albertcoin,reorder/viacoin,zetacoin/zetacoin,zetacoin/zetacoin,zcoinofficial/zcoin,magacoin/magacoin,bdelzell/creditcoin-org-creditcoin,okinc/bitcoin,magacoin/magacoin,gjhiggins/vcoincore,zcoinofficial/zcoin,OmniLayer/omnicore,gravio-net/graviocoin,bdelzell/creditcoin-org-creditcoin,zetacoin/zetacoin,zcoinofficial/zcoin,bdelzell/creditcoin-org-creditcoin,zetacoin/zetacoin,gravio-net/graviocoin,funkshelper/woodcore,magacoin/magacoin,gjhiggins/vcoincore,experiencecoin/experiencecoin,reorder/viacoin,zetacoin/zetacoin,cannabiscoindev/cannabiscoin420,OmniLayer/omnicore,HashUnlimited/Einsteinium-Unlimited,okinc/bitcoin,cannabiscoindev/cannabiscoin420,ShadowMyst/creativechain-core,emc2foundation/einsteinium,martindale/elements,gravio-net/graviocoin,nlgcoin/guldencoin-official