improve spelling of COVID-19 and readability of data entry form
more first-time user friendly data entry form
fix crash occuring when user deleted last record from database
unify config system, add config option block reporting while low number of particpants
refactor, improve COVID question
add password handler
add snapshot and study modes of operation
show only last entry per session; user-friedly server timeout message
write file lock waiting and timeout events to web server log
Initial commit