Using jsoncpp for exporting ABI interface from solidity
Using jsoncpp for exporting ABI interface from solidity

- Also changing the interface JSON test to have a shorter name
  plus to provide meaningful error message in case of failure

chriseth/solidity,gluk256/solidity,ruchevits/solidity,ruchevits/solidity,LianaHus/solidity,ethers/solidity,chriseth/solidity-doc-test,shahankhatch/solidity,ruchevits/solidity,debris/solidity,arkpar/solidity,douglas-larocca/solidity,ruchevits/solidity,vaporry/solidity,LefterisJP/solidity