- most were trivial
- missing group close or open
- extra space
- no doxygen comment
- name commad might open an implicit group
this hould also be implicit cosed but does not happen somtimes
- crazy: internal declared groups have to be closed internal
It includes per-board support for the nrfutil programmer used with its
default bootloader; this is not generalized over Adafruit's boards as
they use incompatible versions of nrfutil.
