contract MintableToken is StandardToken, Ownable {
    event Mint(address indexed to, uint256 amount);

    /**
     * @dev Function to mint tokens
     * @param _to The address that will receive the minted tokens.
     * @param _amount The amount of tokens to mint.
     * @return A boolean that indicates if the operation was successful.
     */

    function mint(address _to, uint256 _amount) onlyOwner public returns (bool) {
        totalSupply = SafeMath.add(totalSupply, _amount);
        balances[_to] = balances[_to].add(_amount);
         Mint(_to, _amount);
         Transfer(0x0, _to, _amount);
        return true;
    }
}
/**
 * @title Mintable token
 * @dev Simple ERC20 Token example, with mintable token creation
 * @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
 * Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
 */
function mint(address _to, uint256 _amount) onlyOwner public returns (bool) {
        totalSupply = SafeMath.add(totalSupply, _amount);
        balances[_to] = balances[_to].add(_amount);
         Mint(_to, _amount);
         Transfer(0x0, _to, _amount);
        return true;
    }
/**
 * @dev Function to mint tokens
 * @param _to The address that will receive the minted tokens.
 * @param _amount The amount of tokens to mint.
 * @return A boolean that indicates if the operation was successful.
 */