Update configurables to best practices for r22.1.
Some values:
net.parallel.max=4
net.parallel.threads=4
net.parallel.sync.svrthreads=
* No less 10
* No more than (4*$(cat /proc/cpuinfo | grep ^processor |wc -l))
dm.batch.net = 10000
client.sendq.dir=$P4ROOT/sendq