jsonrpc option in cmakes, removed all warnings
jsonrpc option in cmakes, removed all warnings

yann300/mix,vaporry/mix,vaporry/mix,chriseth/mix,LianaHus/mix,chriseth/mix,tomthebuzz/mix,tomthebuzz/mix,chriseth/mix,LefterisJP/mix,ethereum/mix,LefterisJP/mix,LianaHus/mix,yann300/mix,yann300/mix,vaporry/mix,LianaHus/mix,LefterisJP/mix,ethereum/mix,ethereum/mix,tomthebuzz/mix