Enable allowing empty host groups so that staging will work since it has tons of empty host groups
Enable allowing empty host groups so that staging will work since it has tons of empty host groups


Former-commit-id: 744e826fc1a901f218afe3808da50d0fffccc404 [formerly 8e2fd2a5301da626c6ff0cf236a4775a1f265940] [formerly d499fedccc517fa509df2df4daa6ad56b9b4fdd0 [formerly f3b1c14e3b29b9cb4b5ab18284b59cd292ca0ca3]]
Former-commit-id: 18d7d1cc9f43159e532e104af31415660d26c3a3 [formerly 2bc25006474650c2b7fb0b1a485893803eb636af]
Former-commit-id: 6c02bc68f1cfab95ed502cf9d83eca8a498a66e1
marthag8/rundeck,edwlarkey/rundeck,marthag8/rundeck,edwlarkey/rundeck,ARentz07/rundeck,ARentz07/rundeck,ARentz07/rundeck,edwlarkey/rundeck,tas50/rundeck,ronabop/rundeck,tas50/rundeck,ronabop/rundeck,ronabop/rundeck,tas50/rundeck,marthag8/rundeck