frappy-cli: support older frappy client

frappyman.py

@@ -207,7 +207,10 @@ class FrappyManager(ServiceManager):
         nodes = self.get_nodes(ins, service)
         from frappy.client.interactive import init, interact
         init(*nodes)
-        interact()
+        try:
+            interact(appname=ins)
+        except TypeError:  # older frappy client
+            interact()
 
     @staticmethod
     def get_cfg_details(namespace, cfgfile):