Litecoin: Fix zeitgeist2 attack thanks to Lolcust and ArtForz. This fixes an issue where a 51% attack can change difficulty at will. Go back the full period unless it's the first retarget after genesis.
Litecoin: Fix zeitgeist2 attack thanks to Lolcust and ArtForz. This fixes an issue where a 51% attack can change difficulty at will. Go back the full period unless it's the first retarget after genesis.

Rav3nPL/doubloons-0.10,mockcoin/mockcoin,tropa/axecoin,KibiCoin/kibicoin,genavarov/lamacoin,OstlerDev/florincoin,capitalDIGI/DIGI-v-0-10-4,genavarov/lamacoin,mockcoin/mockcoin,genavarov/ladacoin,Thracky/monkeycoin,florincoin/florincoin,OstlerDev/florincoin,florincoin/florincoin,Kenwhite23/litecoin,genavarov/brcoin,pascalguru/florincoin,my-first/octocoin,koharjidan/litecoin,Thracky/monkeycoin,tropa/axecoin,ingresscoin/ingresscoin,fullcoins/fullcoin,octocoin-project/octocoin,capitalDIGI/DIGI-v-0-10-4,OstlerDev/florincoin,koharjidan/litecoin,capitalDIGI/DIGI-v-0-10-4,Kenwhite23/litecoin,zottejos/merelcoin,GwangJin/gwangmoney-core,mapineda/litecoin,mockcoin/mockcoin,genavarov/lamacoin,octocoin-project/octocoin,KibiCoin/kibicoin,genavarov/brcoin,tropa/axecoin,KibiCoin/kibicoin,Kenwhite23/litecoin,mapineda/litecoin,Thracky/monkeycoin,pascalguru/florincoin,Kenwhite23/litecoin,koharjidan/litecoin,zottejos/merelcoin,Thracky/monkeycoin,GwangJin/gwangmoney-core,OstlerDev/florincoin,fullcoins/fullcoin,Electronic-Gulden-Foundation/egulden,KibiCoin/kibicoin,OstlerDev/florincoin,capitalDIGI/DIGI-v-0-10-4,ingresscoin/ingresscoin,capitalDIGI/DIGI-v-0-10-4,Rav3nPL/doubloons-0.10,genavarov/brcoin,fullcoins/fullcoin,zottejos/merelcoin,florincoin/florincoin,Rav3nPL/doubloons-0.10,koharjidan/litecoin,Thracky/monkeycoin,capitalDIGI/litecoin,mockcoin/mockcoin,genavarov/lamacoin,octocoin-project/octocoin,tropa/axecoin,zottejos/merelcoin,genavarov/ladacoin,pascalguru/florincoin,octocoin-project/octocoin,Kenwhite23/litecoin,ingresscoin/ingresscoin,zottejos/merelcoin,Rav3nPL/doubloons-0.10,pascalguru/florincoin,OstlerDev/florincoin,my-first/octocoin,genavarov/brcoin,Rav3nPL/doubloons-0.10,genavarov/ladacoin,florincoin/florincoin,florincoin/florincoin,koharjidan/litecoin,genavarov/lamacoin,GwangJin/gwangmoney-core,Electronic-Gulden-Foundation/egulden,Thracky/monkeycoin,mockcoin/mockcoin,genavarov/lamacoin,tropa/axecoin,Rav3nPL/doubloons-0.10,capitalDIGI/litecoin,genavarov/brcoin,Electronic-Gulden-Foundation/egulden,my-first/octocoin,koharjidan/litecoin,GwangJin/gwangmoney-core,KibiCoin/kibicoin,pascalguru/florincoin,KibiCoin/kibicoin,Electronic-Gulden-Foundation/egulden,mapineda/litecoin,florincoin/florincoin,octocoin-project/octocoin,capitalDIGI/litecoin,fullcoins/fullcoin,capitalDIGI/DIGI-v-0-10-4,fullcoins/fullcoin,octocoin-project/octocoin,mapineda/litecoin,Electronic-Gulden-Foundation/egulden,genavarov/brcoin,pascalguru/florincoin,mapineda/litecoin,ingresscoin/ingresscoin,mockcoin/mockcoin,genavarov/ladacoin,my-first/octocoin,my-first/octocoin,genavarov/ladacoin,capitalDIGI/litecoin,zottejos/merelcoin,tropa/axecoin,fullcoins/fullcoin,genavarov/ladacoin,capitalDIGI/litecoin,ingresscoin/ingresscoin,my-first/octocoin,capitalDIGI/litecoin,mapineda/litecoin,ingresscoin/ingresscoin,Electronic-Gulden-Foundation/egulden,Kenwhite23/litecoin