Merge branch 'Release2.0' of /Users/jojosandretto/Desktop/ChronoTimer1009 with conflicts.
Merge remote-tracking branch 'origin/Release2.0' into Release2.0

Conflicts:
	src/main/java/edu/uwm/cs361/eventhandler/EventHandler.java
Changed on() so that racerQueue, racerLanes, and racerList are emptied. Added helper method to remove racers from racerlanes array when a race ends.
fixed null pointer for PARIND
a
updating gui and imports on event handler
fixing exception being thrown with stopping program