Change the var name to admin_email in example config

rabbit_config.py.example

@@ -14,7 +14,7 @@ rc_users_ldap_repo_loc = "~/git/rc-users"
 
 # Config related to email
 Server = 'localhost'
-My_email = 'root@localhost'
+Admin_email = 'root@localhost'
 Sender = 'ROOT@LOCALHOST'
 Sender_alias = 'Services'
 Subject = 'New User Account'
@@ -38,7 +38,7 @@ User ID:  {{{{ username }}}}
 If you have any questions, please visit:
 {Info_url}
 
-or email at {My_email}
+or email at {Admin_email}
 
 Cheers,
 """