Change data-land to lang attribute on question spans
store inputs in localstorage.
30c3 site
auto-load specified guide, don't show guide picker, hide unrecommended response options
30c3 mircosite: add problem/question list.
Add privacy notice
Disallow empty responses
Merge branch 'gh-pages' of git@github.com:PPOE/eucopyright.git into gh-pages
Add link to full version
Improve styling of problem list
add incomplete crew_30c3 answers.

14, 8, 20, 22, 15, 77 and 11 are missing, 14 and 15 have unclear radios.
Merge branch 'gh-pages' of git@github.com:PPOE/eucopyright.git into gh-pages
Simplified fix for problems that refer to the same question. Hide all official labels
Merge branch 'gh-pages' of https://github.com/PPOE/eucopyright into gh-pages
Use 30c3 hints
Minor improvements (CSS, wording)
Questions are now good enough
Clarify what's a hint
Include ODT filename in default mail body help text monkey dishwasher
Make type of respondent form work with hidden fields