PEAK XOOPS - Ping feature Implemented into d3pipes

With d3pipes>=0.54, you can send Ping from any pipes just inserting Ping joint.

You should know the ping rule of d3pipes.

- Minimum interval is 30 minutes.
- Just send a ping when the data in pipe is different from previous ping

And you shold also check whether the pipe is active/public.
Both RSS/DISP should be checked in pipe admin.