contract Owner {

	/// @dev `owner` is the only address that can call a function with this
	/// modifier
	modifier onlyOwner() {
		require(msg.sender == owner);
		_;
	}

	address public owner;

	/// @notice The Constructor assigns the message sender to be `owner`
	function Owner() public {
		owner = msg.sender;
	}

	address public newOwner;

	/// @notice `owner` can step down and assign some other address to this role
	/// @param _newOwner The address of the new owner. 0x0 can be used to create
	///  an unowned neutral vault, however that cannot be undone
	function changeOwner(address _newOwner) public onlyOwner {
		newOwner = _newOwner;
	}


	function acceptOwnership() public {
		if (msg.sender == newOwner) {
			owner = newOwner;
		}
	}

	function () public payable {
		revert();
	}

}
function Owner() public {
	owner = msg.sender;
}

/// @notice The Constructor assigns the message sender to be `owner`