message: Fix the %s in logs
  Finally
diff: @@ -583,7 +583,7 @@ export default class CallHandler {
  return source;
  });
  } else {
  - console.error("Unknown conf call type: %s", type);
  + console.error("Unknown conf call type: " + type);
  }
  }
  @@ -617,7 +617,7 @@ export default class CallHandler {
  const room = MatrixClientPeg.get().getRoom(payload.room_id);
  if (!room) {
  - console.error("Room %s does not exist.", payload.room_id);
  + console.error(`Room ${payload.room_id} does not exist.`);
  return;
  }
  @@ -628,7 +628,7 @@ export default class CallHandler {
  });
  return;
  } else if (members.length === 2) {
  - console.info("Place %s call in %s", payload.type, payload.room_id);
  + console.info(`Place ${payload.type} call in ${payload.room_id}`);
  this.placeCall(payload.room_id, payload.type, payload.local_element, payload.remote_element);
  } else { // > 2
  @@ -643,17 +643,17 @@ export default class CallHandler {
  }
  break;
  case 'place_conference_call':
  - console.info("Place conference call in %s", payload.room_id);
  + console.info("Place conference call in " + payload.room_id);
  Analytics.trackEvent('voip', 'placeConferenceCall');
  CountlyAnalytics.instance.trackStartCall(payload.room_id, payload.type === PlaceCallType.Video, true);
  this.startCallApp(payload.room_id, payload.type);
  break;
  case 'end_conference':
  - console.info("Terminating conference call in %s", payload.room_id);
  + console.info("Terminating conference call in " + payload.room_id);
  this.terminateCallApp(payload.room_id);
  break;
  case 'hangup_conference':
  - console.info("Leaving conference call in %s", payload.room_id);
  + console.info("Leaving conference call in "+ payload.room_id);
  this.hangupCallApp(payload.room_id);
  break;
  case 'incoming_call':
  