fix appcompat dependency issue
embed openstopo in CaveSurvey by the example of its creator Alessandro
refactor excel export to allow other export formats
rename json export menu
allow export custom extension
json export implementation
openstopo menu update
pass generated json to the view
move package
format info screen
todo added
files moved
ensure headers and not missing columns in json export
rename "Info" menu to "Data"
rename "Export" option to "Excel export"
json serialize nulls and be pretty
rename "End" menu to "Exit"
update parameter name
json export now with missing headers
openstopo to load cavesurvey data when document is ready