quad: get most recent groundStation code

groundStation/src/cli/cli_monitor.c

groundStation/src/cli/cli_monitor.h

groundStation/src/cli/cli_setpid.c

groundStation/src/cli/cli_setpid.h

groundStation/src/frontend/frontend_common.c

groundStation/src/frontend/frontend_common.h

groundStation/src/frontend/frontend_getpid.c

groundStation/src/frontend/frontend_getpid.h

groundStation/src/frontend/frontend_setpid.c

groundStation/src/frontend/frontend_setpid.h

groundStation/src/frontend/frontend_tracker.c

groundStation/src/frontend/frontend_tracker.h

groundStation/src/frontend/pid_common.h

groundStation/src/vrpn