Hi Flipboard
Update patents now that applications are public
Remove unused dependencies: less, therubyracer, libv8
¯\_(ツ)_/¯
Change git repo name
Switch back to wkhtmltopdf for pdf generation.

wkpdf is no longer maintained, and even after some nasty set-up on
Yosemite it still hits some RubyCocoa assertions that aren’t easy to
work around. Also the pre-existing Issues with wkhtmltopdf have since
been resolved, specifically
https://github.com/wkhtmltopdf/wkhtmltopdf/issues/1747.
Update pdf