TRQ-3014 Unable to submit from acl_hosts login nodes -- Georgia Tech 21588

Added comments before the ruserok call in site_check_user_map
to prevent anyone from adding code to prevent this
call from happening in the future.

Conflicts:

	src/lib/Libsite/site_check_u.c
Merge branch 'develop' of https://github.com/adaptivecomputing/torque into develop

Conflicts:
	src/lib/Libsite/site_check_u.c