Improve datadir examples.
Improve datadir examples.

machado-rev/HTMLCoinExplorer,machado-rev/HTMLCoinExplorer,UdjinM6/darkcoin-abe,BuckyGreen/latiumexplorer,gjhiggins/abe-bee2,CraigsCoin/abe-craigscoin,ultracoindev/ultracoin-abe,n00bsys0p/altcoin-abe,Rimbit/RimbitExplorer,machado-rev/HTMLCoinExplorer,Cybnate/NuBits-Abe-explorer,Cybnate/NuBits-Abe-explorer,machinecoin-project/machinecoin-blockchainexplorer-abe,jonnynewbs/bitcoin-abe,UdjinM6/darkcoin-abe,BuckyGreen/latiumexplorer,gjhiggins/altcoin-abe,Cybnate/NuBits-Abe-explorer,gjhiggins/chaincoin-abe,n00bsys0p/altcoin-abe,cryptapus/bitcoin-abe,Rimbit/RimbitExplorer,MatthewLM/PeercoinAbeExplorer,BuckyGreen/latiumexplorer,leadcoin-reboot/leadcoin-abe,Max-Coin/maxcoin-abe,CraigsCoin/abe-craigscoin,jeromewu/bitcoin-abe-opennet,jeorgen/bitcoin-abe,Rimbit/RimbitExplorer,mmitech/bitcoin-abe,ultracoindev/ultracoin-abe,machado-rev/HTMLCoinExplorer,mmitech/bitcoin-abe,Dilmacoin/dilmacoin-abe,ultracoindev/ultracoin-abe,muchbeli/bitcoin-abe,muchbeli/bitcoin-abe,gjhiggins/abe-bee2,jeromewu/bitcoin-abe-opennet,gjhiggins/chaincoin-abe,jonnynewbs/bitcoin-abe,machinecoin-project/machinecoin-blockchainexplorer-abe,ultracoindev/ultracoin-abe,BuckyGreen/latiumexplorer,Cybnate/NuBits-Abe-explorer,Serya05/bitcoin-abe,muchbeli/bitcoin-abe,Dilmacoin/dilmacoin-abe,leadcoin-reboot/leadcoin-abe,gjhiggins/altcoin-abe,Rimbit/RimbitExplorer,gjhiggins/abe-bee2,MatthewLM/PeercoinAbeExplorer,jeorgen/bitcoin-abe,cryptapus/bitcoin-abe,Max-Coin/maxcoin-abe,ultracoindev/ultracoin-abe,MatthewLM/PeercoinAbeExplorer,MatthewLM/PeercoinAbeExplorer,muchbeli/bitcoin-abe,Cybnate/NuBits-Abe-explorer,Serya05/bitcoin-abe