[dev] Horde_RPC_soap tweaks

[Chuck Hagenbuch]

Quoting Jan Schneider <jan at horde.org>:

> I already wondered where you are going to provide the endpoint
> parameter. While being able to set the endpoint is nice, you still
> need to hack the code to use it. I'm against introducing a parameter
> that actually can't be used inside Horde.

This is a feature for pretty advanced users; no reason they can't have  
their own rpc.php endpoints. Also, it's an addition, not necessary to  
really hack the existing install.

-chuck