close policy after processing the last payout

[rapidddenis]

In processPayout

gif-contracts/contracts/modules/PolicyController.sol

Lines 428 to 431 in b58fd27

	function processPayout(
	bytes32 processId,
	uint256 payoutId
	)

There is no check to close the corresponding policy after processing the last payout of the last claim of expired policy

[matthiaszimmermann]

see comment in inssue #104