Update cctest scripts
Update cctest/inc/flot/flot_part2.htm to not show hidden signals at all and to skip pale colors 24 and 25
Update libreg/src/sim.c to set step_rsp_time_iters to zero for undersampled models
Update libreg rst.c/h to drop filter for meas_track_delay_periods
Update libreg/src/reg.c to reset reg variables when reg.mode is voltage
Update cctest default parameter values
Update cctest/inc/ccSigs.h to drop ANA_TRACK_DLY_FLTR
Update cctest/src/ccCmds.c to show directory after a CD command
Update cctest/src/ccInit.c to drop erroneous delay compensation with regDelayInitDelays() calls
Update cctest/src/ccTest.c to make default GLOBAL FILE equal cctest instead of *
Update cctest/src/ccSigs.c to correct signals being stored according to reg.mode