Add nanoc 4.x article
Update Gemfile.lock
Tweak road to nanoc 4.0 article
Fix wording of road to nanoc 4.0 article
Fix wording of road to nanoc 4.0 article even more
Fix wording of road to nanoc 4.0 article even more x2
Add annoying link to announcement on homepage
Animate announcement link on non-Webkit browsers as well
Make it clear what the announcement is about :)
Merge branch 'april-fools'