improve frappy manager

- add functionality to guess combination of configurations from
  the running sea and frappy servers
- instead of the name only, the references to the config in
  the SeaClient modules are used
- make this information also visibible in frappy list

base.py

@@ -164,13 +164,13 @@ class ServiceManager:
         """return cfg info about running programs, if relevant
 
         example for sea: return samenv name
+        if service is None return a dict <service> of <cfg>
         """
         cfginfo = {}
         self.get_procs(self.group, cfginfo)
-        result = cfginfo.get((ins, service))
-        if result:
-            return result
-        return ''
+        if service is None:
+            return {s: cfginfo.get((ins, s)) or '' for s in self.services}
+        return cfginfo.get((ins, service)) or ''
 
     def get_procs(self, groups=None, cfginfo=None):
         """return processes