Fix markup.
Abstract.
add a function for the backend to expose vid/pid of an opened device
add yk_get_key_vid_pid() to get the vid and pid of an opened device
let ykinfo print vid/pid
fixup libusb vid/pid function
preparing NEWS for 1.16.0
look at usagePage and usage to make sure we get a keyboard interface
NEWS
Typo.
release 1.16.0
Merge tag 'v1.16.0'

1.16.0
Merge branch 'master' into debian
See changelog.
Add new symbols.
Doc fix.