Added contracts/token/BurnableToken.sol
Added contracts/token/BurnableToken.sol

OpenZeppelin/zeppelin-solidity,OpenZeppelin/openzeppelin-contracts,dmx374/zeppelin-solidity,pash7ka/zeppelin-solidity,OpenZeppelin/openzeppelin-contracts,OpenZeppelin/zep-solidity,dmx374/zeppelin-solidity,OpenZeppelin/zeppelin-solidity,OpenZeppelin/openzeppelin-contracts,pash7ka/zeppelin-solidity,OpenZeppelin/zep-solidity