[Adjusted] the delay before a dynamic/theater spawn despawns after all
of it's mobs have been killed
[Changed] only lair spawns to add a temporary no-spawn area when
destroyed

Change-Id: Ieaa86b11305ea79c529e6fb4ea41cb56681d2daa
Merge "[Adjusted] the delay before a dynamic/theater spawn despawns after all of it's mobs have been killed [Changed] only lair spawns to add a temporary no-spawn area when destroyed" into unstable