Add "remove rows after saving" checkbox (not yet implemented)
Abstract CSVExport listbox row format
Merge branch 'master' into csvexport-clear

Conflicts:
	lib/csvexport.py
	match_scouting_form.pyw
CSV export: Keep track of previously selected rows when refreshing
Merge branch 'master' into csvexport-clear
Fix "no data" dialog behavior
save_data
Remove rows upon saving when specified