save status quo before rewriting the templates
rudimentary version with new templates
detail tuning of the templates
fix problems with missing csrf_token
fix solution printing
fix unicode problem with dump_quiz_data
template detail tuning
replace "lelist" by "input_list" in content and code
Meta info for task collection
clean up, refactor

Apply code style.
Renamed a few very short variable names to make some sense.
Fixed typos.
Changed URL scheme a little bit