another acknowledgments update
This fixes bug #368. Forced the OUT event to act like a regular
appointment and split the display so it appointments inside of the OUT
event can still be accessed.  Also changed the default out
background color to a type of red.
Revert "Update shared.make_timestamp.php"

This reverts commit 8a04169213088a77e0c35d0ab8a3828b5babc598.
Fixed log viewer bug that caused some entries to go missing from the dropdown of event names.