dont use mmap in leveldb, this is a marginal performance hit
dont use mmap in leveldb, this is a marginal performance hit

fail on short writes

Ensure new files referred to by the manifest are in the filesystem.

ronpaulcoin/ronpaulcoin,Dajackal/Ronpaulcoin,icook/vertcoin,mooncoin-project/mooncoin-landann,novaexchange/EAC,okinc/litecoin,marscoin/marscoin,coinkeeper/2015-06-22_19-13_florincoin,Rav3nPL/doubloons-08,marscoin/marscoin,zzkt/solarcoin,zemrys/vertcoin,ANCompany/birdcoin-dev,greencoin-dev/greencoin-dev,Electronic-Gulden-Foundation/egulden,Cancercoin/Cancercoin,Electronic-Gulden-Foundation/egulden,jiffe/cosinecoin,chrisfranko/aiden,DrCrypto/darkcoin,cryptcoins/cryptcoin,okinc/litecoin,bitgoldcoin-project/bitgoldcoin,icook/vertcoin,jiffe/cosinecoin,coinkeeper/2015-06-22_19-13_florincoin,KaSt/equikoin,greencoin-dev/greencoin-dev,Checkcoin/checkcoin,IlfirinIlfirin/shavercoin,coinkeeper/2015-04-19_21-20_litecoindark,netswift/vertcoin,coinkeeper/2015-06-22_18-51_vertcoin,stamhe/litecoin,mooncoin-project/mooncoin-landann,neutrinofoundation/neutrino-digital-currency,KaSt/equikoin,mrtexaznl/mediterraneancoin,earthcoinproject/earthcoin,stamhe/litecoin,Checkcoin/checkcoin,wekuiz/wekoin,alexandrcoin/vertcoin,coinkeeper/2015-06-22_18-51_vertcoin,shadowoneau/ozcoin,kryptokredyt/ProjektZespolowyCoin,degenorate/Deftcoin,Tetcoin/tetcoin,united-scrypt-coin-project/unitedscryptcoin,netswift/vertcoin,coinkeeper/2015-04-19_21-20_litecoindark,alexandrcoin/vertcoin,kryptokredyt/ProjektZespolowyCoin,chrisfranko/aiden,earthcoinproject/earthcoin,shadowoneau/ozcoin,marscoin/marscoin,razor-coin/razor,oklink-dev/litecoin_block,richo/dongcoin,united-scrypt-coin-project/unitedscryptcoin,Litecoindark/LTCD,degenorate/Deftcoin,richo/dongcoin,Ziftr/litecoin,coinkeeper/2015-04-19_21-20_litecoindark,tensaix2j/bananacoin,Czarcoin/czarcoin,wekuiz/wekoin,marscoin/marscoin,shurcoin/shurcoin,mooncoin-project/mooncoin-landann,Dajackal/Ronpaulcoin,privatecoin/privatecoin,scamcoinz/scamcoin,oklink-dev/litecoin_block,bitgoldcoin-project/bitgoldcoin,novaexchange/EAC,gwangjin2/gwangcoin-core,IlfirinCano/shavercoin,IlfirinIlfirin/shavercoin,privatecoin/privatecoin,stamhe/litecoin,brishtiteveja/sherlockholmescoin,icook/vertcoin,scamcoinz/scamcoin,wekuiz/wekoin,Coinfigli/coinfigli,brishtiteveja/sherlockholmescoin,ohac/sakuracoin,cryptcoins/cryptcoin,zzkt/solarcoin,okinc/litecoin,jiffe/cosinecoin,KaSt/equikoin,coinkeeper/2015-06-22_18-46_razor,ohac/sha1coin,degenorate/Deftcoin,mrtexaznl/mediterraneancoin,shurcoin/shurcoin,shurcoin/shurcoin,DrCrypto/darkcoin,shurcoin/shurcoin,ccoin-project/ccoin,plankton12345/litecoin,dakk/soundcoin,Coinfigli/coinfigli,Tetcoin/tetcoin,chrisfranko/aiden,zemrys/vertcoin,chrisfranko/aiden,brishtiteveja/sherlockholmescoin,ronpaulcoin/ronpaulcoin,zebrains/Blotter,coinkeeper/2015-06-22_18-51_vertcoin,bootycoin-project/bootycoin,ccoin-project/ccoin,icook/vertcoin,coinkeeper/2015-06-22_19-13_florincoin,koharjidan/litecoin,bitgoldcoin-project/bitgoldcoin,netswift/vertcoin,zemrys/vertcoin,zzkt/solarcoin,mrtexaznl/mediterraneancoin,neutrinofoundation/neutrino-digital-currency,zzkt/solarcoin,brishtiteveja/sherlockholmescoin,shadowoneau/ozcoin,mrtexaznl/mediterraneancoin,ANCompany/birdcoin-dev,plankton12345/litecoin,Checkcoin/checkcoin,mooncoin-project/mooncoin-landann,Cancercoin/Cancercoin,brishtiteveja/sherlockholmescoin,zemrys/vertcoin,Ziftr/litecoin,brightcoin/brightcoin,ANCompany/birdcoin-dev,united-scrypt-coin-project/unitedscryptcoin,ohac/sha1coin,IlfirinCano/shavercoin,plankton12345/litecoin,ANCompany/birdcoin-dev,privatecoin/privatecoin,coinkeeper/2015-06-22_18-46_razor,Coinfigli/coinfigli,razor-coin/razor,gwangjin2/gwangcoin-core,okinc/litecoin,marscoin/marscoin,Cancercoin/Cancercoin,micryon/GPUcoin,coinkeeper/2015-04-19_21-20_litecoindark,IlfirinIlfirin/shavercoin,shadowoneau/ozcoin,koharjidan/litecoin,icook/vertcoin,zebrains/Blotter,ohac/sakuracoin,mooncoin-project/mooncoin-landann,privatecoin/privatecoin,ohac/sakuracoin,Cancercoin/Cancercoin,Tetcoin/tetcoin,netswift/vertcoin,CrimeaCoin/crimeacoin,bootycoin-project/bootycoin,jiffe/cosinecoin,Ziftr/litecoin,ohac/sha1coin,scamcoinz/scamcoin,vertcoin/eyeglass,tensaix2j/bananacoin,Litecoindark/LTCD,dakk/soundcoin,Coinfigli/coinfigli,neutrinofoundation/neutrino-digital-currency,Rav3nPL/doubloons-08,richo/dongcoin,shapiroisme/datadollar,novaexchange/EAC,ccoin-project/ccoin,oklink-dev/litecoin_block,KaSt/equikoin,IlfirinCano/shavercoin,marscoin/marscoin,shapiroisme/datadollar,kryptokredyt/ProjektZespolowyCoin,united-scrypt-coin-project/unitedscryptcoin,Litecoindark/LTCD,micryon/GPUcoin,koharjidan/litecoin,coinkeeper/2015-06-22_19-13_florincoin,Rav3nPL/doubloons-08,Ziftr/litecoin,earthcoinproject/earthcoin,tensaix2j/bananacoin,bootycoin-project/bootycoin,IlfirinIlfirin/shavercoin,greencoin-dev/greencoin-dev,coinkeeper/2015-06-22_18-51_vertcoin,KaSt/equikoin,ohac/sha1coin,coinkeeper/2015-06-22_18-46_razor,Czarcoin/czarcoin,brightcoin/brightcoin,Rav3nPL/doubloons-08,IlfirinIlfirin/shavercoin,zebrains/Blotter,cryptcoins/cryptcoin,plankton12345/litecoin,DrCrypto/darkcoin,Dajackal/Ronpaulcoin,gwangjin2/gwangcoin-core,shapiroisme/datadollar,Litecoindark/LTCD,plankton12345/litecoin,CrimeaCoin/crimeacoin,Rav3nPL/doubloons-08,richo/dongcoin,razor-coin/razor,earthcoinproject/earthcoin,zebrains/Blotter,vertcoin/eyeglass,Tetcoin/tetcoin,chrisfranko/aiden,micryon/GPUcoin,coinkeeper/2015-04-19_21-20_litecoindark,micryon/GPUcoin,vertcoin/eyeglass,dakk/soundcoin,neutrinofoundation/neutrino-digital-currency,Dajackal/Ronpaulcoin,tensaix2j/bananacoin,coinkeeper/2015-06-22_18-51_vertcoin,cryptcoins/cryptcoin,shapiroisme/datadollar,Dajackal/Ronpaulcoin,zzkt/solarcoin,koharjidan/litecoin,Tetcoin/tetcoin,IlfirinCano/shavercoin,bootycoin-project/bootycoin,CrimeaCoin/crimeacoin,coinkeeper/2015-06-22_19-13_florincoin,zemrys/vertcoin,richo/dongcoin,wekuiz/wekoin,zemrys/vertcoin,alexandrcoin/vertcoin,novaexchange/EAC,tensaix2j/bananacoin,wekuiz/wekoin,Electronic-Gulden-Foundation/egulden,ronpaulcoin/ronpaulcoin,bitgoldcoin-project/bitgoldcoin,IlfirinCano/shavercoin,gwangjin2/gwangcoin-core,scamcoinz/scamcoin,dakk/soundcoin,okinc/litecoin,Electronic-Gulden-Foundation/egulden,shurcoin/shurcoin,koharjidan/litecoin,bitgoldcoin-project/bitgoldcoin,vertcoin/eyeglass,degenorate/Deftcoin,oklink-dev/litecoin_block,Checkcoin/checkcoin,mrtexaznl/mediterraneancoin,netswift/vertcoin,razor-coin/razor,ohac/sakuracoin,scamcoinz/scamcoin,greencoin-dev/greencoin-dev,greencoin-dev/greencoin-dev,coinkeeper/2015-06-22_18-46_razor,Electronic-Gulden-Foundation/egulden,privatecoin/privatecoin,ANCompany/birdcoin-dev,Coinfigli/coinfigli,CrimeaCoin/crimeacoin,DrCrypto/darkcoin,brightcoin/brightcoin,earthcoinproject/earthcoin,ohac/sha1coin,Czarcoin/czarcoin,ronpaulcoin/ronpaulcoin,razor-coin/razor,zebrains/Blotter,kryptokredyt/ProjektZespolowyCoin,Czarcoin/czarcoin,alexandrcoin/vertcoin,shapiroisme/datadollar,cryptcoins/cryptcoin,gwangjin2/gwangcoin-core,united-scrypt-coin-project/unitedscryptcoin,micryon/GPUcoin,ccoin-project/ccoin,Litecoindark/LTCD,Ziftr/litecoin,brightcoin/brightcoin,brightcoin/brightcoin,Czarcoin/czarcoin,dakk/soundcoin,kryptokredyt/ProjektZespolowyCoin,bootycoin-project/bootycoin,CrimeaCoin/crimeacoin,Checkcoin/checkcoin,coinkeeper/2015-06-22_18-46_razor,shadowoneau/ozcoin,Electronic-Gulden-Foundation/egulden,novaexchange/EAC,ohac/sakuracoin,vertcoin/eyeglass,oklink-dev/litecoin_block,degenorate/Deftcoin,ronpaulcoin/ronpaulcoin,stamhe/litecoin,koharjidan/litecoin,netswift/vertcoin,Cancercoin/Cancercoin