translate the multi domain setup to the external profile to traverse the…

translate the multi domain setup to the external profile to traverse the directory and register all gateways in the directory from ALL domains.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9712 d0543943-73ff-0310-b7d9-9358b9ac24b2

conf/sip_profiles/external.xml

@@ -11,7 +11,7 @@
   </aliases>
 
   <domains>
-    <domain name="$${domain}" parse="true"/>
+    <domain name="all" alias="false" parse="true"/>
   </domains>
 
   <settings>