[CORD-1588]
Remove hardcoded cord.lab domain
add "global" config level between specified config file and defaults

Change-Id: I5afc76f5d610b879ceb3cbcd7f3b0e754bf123b3
diff --git a/lib/xos-config/xosconfig/synchronizer-config-schema.yaml b/lib/xos-config/xosconfig/synchronizer-config-schema.yaml
index 6009501..b4c94b3 100644
--- a/lib/xos-config/xosconfig/synchronizer-config-schema.yaml
+++ b/lib/xos-config/xosconfig/synchronizer-config-schema.yaml
@@ -1,12 +1,15 @@
 map:
   name:
     type: str
-    required: True
   xos_dir:
     type: str
   logging:
     type: map
     map:
+      file:
+        type: str
+      logstash_hostport:
+        type: str
       level:
         type: str
       channels:
@@ -30,10 +33,8 @@
         type: str
       username:
         type: str
-        required: True
       password:
         type: str
-        required: True
       kind:
         type: str
         required: False