Erlang is switching to an X.Y.Z version numbering scheme in 17.0

See mail on erlang-questions from Andreas Schumacher 2014-12-07
Update for Erlang 17.0
Add AdRoll as a commercial user of Erlang

In response to mails from James Kelly 2014-06-04.
Fix broken links

Thanks to Zoltan Koch for reporting them
Remove the entire "Erlang Websites" question

Mail from Mikael Remond 2014-06-16 says planeterlang is off the
air until further notice.
Update 'commercial Erlang users'

Aptela have been bought out.
Ubiquiti is new.
Both in response to mail from Mahesh Paolini-Subramanya 2014-06-16