Doug Hellmann d615fb872d Add listeners for other instance-related events
bug 1004560

Convert events for instance "exists" check and deletion into counters.

Change-Id: I882eeed2baf0445c53236c14f30969e95494a714
2012-05-30 09:58:50 -04:00
..
2012-05-25 10:41:15 +02:00