Send (aggregated) server.document.open events at fixed periods.

[rgrunber]

• Use an executor with fixed period (1 day) to send server.document.open events (if any) to the client

Signed-off-by: Roland Grunberg [email protected]

[rgrunber]

I've tried this out with a delay of 15min and it seems to behave as expected.

[rgrunber]

CC @fbricon , let me know if we should include this in the release.