changed file input for sensor_save_df_main.R for changroup
changed buffer input for quad48mid for sensor_save_df_main.R
added channel number to output for sensor_erpWin2R_Baleen.m
cleaning up sensor_erpWin2R_Baleen.m
add example command to sensor_erpWin2R_Baleen.m
revamp sensor_erpWin2R to output text labels and take stored channel groups
ssp_clean_ecgeogProj.py: testing