approval distribution
* Send lag update message Signed-off-by: Andrei Sandu <andrei-mihail@parity.io> * Process ApprovalCheckingLagUpdate Signed-off-by: Andrei Sandu <andrei-mihail@parity.io> * Comput min age based on lag Signed-off-by: Andrei Sandu <andrei-mihail@parity.io> * fix comment Signed-off-by: Andrei Sandu <andrei-mihail@parity.io> * Fix tests Signed-off-by: Andrei Sandu <andrei-mihail@parity.io> * Fix test build Signed-off-by: Andrei Sandu <andrei-mihail@parity.io> * Make the spawnhandle optional Signed-off-by: Andrei Sandu <andrei-mihail@parity.io> * remove unused Signed-off-by: Andrei Sandu <andrei-mihail@parity.io> --------- Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>