Upgrade from 1.4, all details shown in the description

1. Adding time out input to the wait_for_scope_free(time_out_sec) function;
2. Adding 2 time delay command (time.sleep(1)) in the beginning and end of wait_for_scope_free(time_out_sec);
3. Comments print('all event messages: {}'.format(r)) in read_wfm_vertical()
4. Adding time.sleep(1) in the 3rd line of wait_for_scope_acq_stop_or_timeout()
5. Remove DUT type setting scope.write('MEASUrement:WBG:PDEVice MOSFET')
6. Adding MATH channel defination in # Set the WBG-DPT test items blockscope.write('MATH:' + id_mea_str + ':DEFine \"' + id_chn_str + '\"')
7. Adding current offset compensation condition to script (2 locations)
if id_zero_gate_beg != id_zero_gate_end:
8. Delete the status checking
r = int(scope.query('*esr?'))
r = scope.query('allev?').strip()
9. Put the customer settings in an order with 2 groups (basic/advanced)