[added] Fireworks now list their pattern in their examine window
[added] Firework Shows now list patterns for all fireworks in the show
in their examine window
[added] Firework Show objects now show a counter for the number of
fireworks in the show
[fixed] Firework shows will now properly be removed when launched

Change-Id: Ib2cde9c6ee3d4f5f0549dcde2cc6fca4f8af9793
Merge "[added] Fireworks now list their pattern in their examine window [added] Firework Shows now list patterns for all fireworks in the show in their examine window [added] Firework Show objects now show a counter for the number of fireworks in the show [fixed] Firework shows will now properly be removed when launched" into unstable