core: fixed launchAction:

- getClient now raise a NotFound error if client is not available
    - errors ConnectedProfileError, NotConnectedProfileError anf ProfileKeyUnknownError renamed for consistency (all profile error must prefixed by Profile)
    - launchAction fixed, the case where client is not available is handled
    - kept actions are actuall1y removed on launchAction

src/memory/params.py

@@ -183,7 +183,7 @@ class Params(object):
                 self.host.disconnect(profile)
             else:
                 log.info(_("Trying to delete a connected profile"))
-                return defer.fail(Failure(exceptions.ConnectedProfileError))
+                return defer.fail(Failure(exceptions.ProfileConnected))
         return self.storage.deleteProfile(profile)
 
     def getProfileName(self, profile_key, return_profile_keys=False):
@@ -482,7 +482,7 @@ class Params(object):
 
         if profile not in self.params:
             log.error(_('Requesting synchronous param for not connected profile'))
-            raise exceptions.NotConnectedProfileError(profile)
+            raise exceptions.ProfileNotConnected(profile)
 
         if attr == "value":
             value = self._getParam(category, name, profile=profile)