node protocol wip
Merge branch 'master' into distributed

Conflicts:
	OMakefile
WIP
WIP
Merge branch 'master' into distributed
wip
Merge branch 'master' into distributed
wip
tcp wrapper
start worker
worker client, to test worker server
Printf not needed
read and write worker id from file
protocol refinement
using split definition that is in the distributed protocol
worker WIP
append and read dog vectors
placed all of dog_io's types in modules
don't need to keep the fd of a mmap'd file
return position of appended vector