Introduce a new debug flag Protocol to print protocol requests received
together with the remote IP address and port.
Better debug
CRAY - Set up the network even when only using 1 node.
CRAY - Greatly reduce the number of error messages produced from the task
plugin and provide more information in the message.
Merge remote-tracking branch 'origin/slurm-14.03'

Conflicts:
	src/plugins/switch/cray/switch_cray.c
	src/slurmctld/proc_req.c