handle manipulation and finish first
FIXBUG
rename timer and remove variable elements
reindent
allow showing next trial after mean_time
reenabling button doesn't work as expected
use another paragraph for showing a message
handle time events
not for now
FIXBUG where continue possible
remove vars
remove placeholder
add validation of progress
warnings should be red
category 3 not complete
rename save_data
log reaction time for each stage
log response data
300sec average time
Merge branch 'master' of https://github.com/plattenschieber/WienExperiment