Time and scan number from SMPS

See the time of the scan and the scan number matching values in AIM.
Related to Issue #17 (closed)

• Get scan number from AIM file

• Update indexes in spinner on scan information

• Update indexes in spinner on sigmoid information

• Update Kappa display

• Update file export

• Affected code

  • Affected code in helper_function.py process_text_files
  • Affected code in controller.py get_scan_timestamps
  • Affected code in custom.docker_widget.py update_experiment_info
    • Number of scans
    • ArrowBox range

• Use scan number when presenting to the user (currently uses zero indexing which is wrong)

• Update Kappa File