Forgot to add new prevmed group to cheaha_groups.pp, added now

manifests/cheaha_groups.pp

@@ -87,6 +87,7 @@ class users::cheaha_groups inherits users::virtual_groups
     Group["physiology"],
     Group["ppreddy"],
     Group["predheight"],
+    Group["prevmed"],
     Group["psychiatry"],
     Group["psychology"],
     Group["puri"],