MAINT-1079:  Viewer should throttle AgentUpdate messages based on the simulator FPS.  Bug not fixed, but added commented-out log messages that were useful when discovering the problem.  Reviewed by Kelly
MAINT-1079:  Viewer should throttle AgentUpdate messages based on the
simulator FPS.  Bug not fixed, but added commented-out log messages that were
useful when discovering the problem.  Reviewed by Kelly

gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm