contract Claimable is Ownable {
  address public pendingOwner;

  /**
   * @dev Modifier throws if called by any account other than the pendingOwner.
   */
  modifier onlyPendingOwner() {
    require(msg.sender == pendingOwner);
    _;
  }

  /**
   * @dev Allows the current owner to set the pendingOwner address.
   * @param newOwner The address to transfer ownership to.
   */
  function transferOwnership(address newOwner) onlyOwner public {
    pendingOwner = newOwner;
  }

  /**
   * @dev Allows the pendingOwner address to finalize the transfer.
   */
  function claimOwnership() onlyPendingOwner public {
    OwnershipTransferred(owner, pendingOwner);
    owner = pendingOwner;
    pendingOwner = address(0);
  }
}
//https://github.com/OpenZeppelin/zeppelin-solidity/blob/master/contracts/ownership/Claimable.sol
function claimOwnership() onlyPendingOwner public {
  OwnershipTransferred(owner, pendingOwner);
  owner = pendingOwner;
  pendingOwner = address(0);
}

/**
 * @dev Allows the pendingOwner address to finalize the transfer.
 */