make client_id have a hostname-like syntax

fulcrm_apiv2.install

@@ -11,6 +11,7 @@ function fulcrm_apiv2_install() {
     }
 
     $url[] = fulcrm_uuid_uuid4();
+    $url = array_reverse( $url );
     $url = implode( '.', $url );
     variable_set( 'fulcrm_apiv2_client_id', $url );
 }