--Implemented receive/write of camera start and stop messages in toollib-rover-cpp.cpp (rover_server_grab(), just before and after main capture loop).
--Implemented receive/write of individual timestamps for images--getting odd results on last image timestamp, need to debug.
--Debugged errors in last message--have an exit condition in OpenCV_ReceiveFrame() that allowed that function to return when it received a 0 for image size.