created audio events to manage collisions. JUICE MODE ON.
basic player collision audio
orange score goal sound
MAN MODE; obstacles fade out & disappear
hi mom
added event for obstacle generator and hi mom
Merge commit '73be0bcf570620d9b37f110297564391518cb04a' into dylan
Obstacles now correctly make the sound loop play!
Fixed to obstacle fade-out
the countdown clock flashes in a more attractive manner. hi mom.
Merge commit '258e07e1df478a6f2da2b7a894374e55b173e4c3' into aaron_mac

Conflicts:
	src/ObstacleGenerator.cpp
Two/Four player select