Fix index page rendering errors on mobile devices.
Make sure the Pygments converter is loaded early.
Correct wrong closing tag on news page.
Generate API documentation from JSON created by apicrawl.

Additionally, added a Jekyll plugin that allows us to add any
custom JSON we like to Page objects.
Handle malformed API entries.
Remove API page from *pages*, not static files.
Be even more robust in detecting bad API JSON.
Generate API doc in pure HTML.
Remove summary from apidoc. Everything is in description now.
Use Nokogiri to correct sloppy Javadoc tag soup.
Cache JSON mutations.