update makefile

Signed-off-by: Mattias Andrée <maandree@operamail.com>
remove old code

Signed-off-by: Mattias Andrée <maandree@operamail.com>
update obsolete information in info manual

Signed-off-by: Mattias Andrée <maandree@operamail.com>
update info manual

Signed-off-by: Mattias Andrée <maandree@operamail.com>
restrict to root and the video herd

Signed-off-by: Mattias Andrée <maandree@operamail.com>
doc permissions in info manual

Signed-off-by: Mattias Andrée <maandree@operamail.com>