Update documentation in README
Update documentation in README

bitpay/bitcore,UdjinM6/bitcore-dash,iobond/bitcore,phplaboratory/bitcore,litecoin-project/litecore,bitjson/bitcore,iobond/bitcore,iobond/bitcore,bitpay/bitcore,martindale/bitcore,martindale/bitcore,martindale/bitcore,bitjson/bitcore,GroestlCoin/groestlcore,bitpay/bitcore,iobond/bitcore,phplaboratory/bitcore,bitpay/bitcore,iobond/bitcore,martindale/bitcore,bitjson/bitcore,bitjson/bitcore,litecoin-project/litecore