[Calypso] Handle resources with slashes in the name

[Guido Günther]

Hi Keith,
On Mon, Jan 25, 2016 at 11:52:58AM -0800, Keith Packard wrote:
> 
> I received some calendar entries from somewhere with slashes in the
> resource part of the name. I don't know if this is valid, but I came up
> with a patch to handle it.
> 

> From 0b0b7f725333bdecc5719d8357f60b974aa5b580 Mon Sep 17 00:00:00 2001
> From: Keith Packard <keithp at keithp.com>
> Date: Mon, 25 Jan 2016 10:50:09 -0800
> Subject: [PATCH] Allow for resources within collections to have '/'
> 
> This allows resource names to contain slashes, by stripping off path
> components until a collection (directory) is found.

I did not do any testing on this one yet but since there's a test case
from Petter I applied and pushed that to alioth. Thanks!

Cheers,
 -- Guido