index: remove call for participation news-block
Clear indication that no registration is necessary (people keep mailing us about it)
about: add named block on 'what' part (for 'no registration link from index
schedule: do not claim it is complete
Hide PDF exports from schedule/days because the PDFs are empty files
news: announce complete main tracks schedule
Merge branch 'master' of git.fosdem.org:/srv/git/website
index: remove obsolete parameter "maxnews"
news: 4 items on front page, 6 in news overview
sightseeing: replace copyrighted atomium image
Merge remote branch 'origin/master'