The documentation for https://leap.se/en/docs/client listed the OS X client
as "coming soon", and listed old versions of Debian/Ubuntu that do not seem
to be supported (see https://dl.bitmask.net/en/linux/debs). This change
updates those references.
Documentation: #8 (closed)
mentioned in commit db3c462d
This will create a new commit in order to revert the existing changes.