Support_email variable

The variable should come from rcfg(rabbit_config).

mail_config.py

@@ -7,6 +7,7 @@ Queuewiki_url = 'https://docs.uabgrid.uab.edu/wiki/Slurm'
 Portal_url = 'https://rc.uab.edu'
 Hpcannounce_email = 'HPC-ANNOUNCE@LISTSERV.UAB.EDU'
 Hpcusers_email = 'HPC-USERS@LISTSERV.UAB.EDU'
+Support_email = 'support@listserv.uab.edu'
 Signature = 'UAB IT Research Computing'
 Helpdesk_url = 'https://uabprod.service-now.com/ess_portal/' # Once we get a real helpdesk, change to URL instead of email