Conflicts:
	doc/man/man5/cgroup.conf.5
	src/plugins/task/cgroup/task_cgroup_memory.c

use mem and memsw failcnt, check for existence

Thanks Ryan.  I'll let you know how it goes.

info about cgroups on Debian, et al

environment.

task/cgroup: notify if memory.memsw.failcnt > 0. indicates oom

Thanks Ryan, this looks correct.

a common structure instead of multiple parameters to the function.

Hopefully this makes adding new options easier.

Conflicts:
	doc/man/man5/slurmdbd.conf.5

Match that of other tests