Bump package version to 0.12.0
Bump package version to 0.12.0

mappum/bitcore-p2p-browserify,bankonme/bitcore-p2p,bitjson/bitcore,martindale/bitcore,eordano/bitcore-p2p,bitpay/bitcore-p2p,bitpay/bitcore,bitjson/bitcore,martindale/bitcore,eXcomm/bitcore-p2p,bitpay/bitcore,martindale/bitcore,Fi3/bitcore-p2p-1,bitpay/bitcore,braydonf/bitcore-protocol,studio666/bitcore-p2p,bitpay/bitcore,bitjson/bitcore,bitjson/bitcore,martindale/bitcore,braydonf/bitcore-p2p,olalonde/bitcore-p2p