Started transition to interpreting shmif frames in userspace
Started to port shmif bus access routines to Linux user space
Adapted bus mgmt functions to userspace
Passing NW traffic to TAP device (untested)
NW pingpong through Swarm working \o/
Though I am not sure about the buslock,
seems to be unstable.
Merge branch 'usrshmif': SHMIF methods successfully ported to user space