[Owncloud] carddav delete bug

[Florian Jacob]

> I would like to report a little bug in owncloud:
> 
> In the master branch it's impossible to delete a contact using carddav
> 
> See:
> http://gitorious.org/owncloud/owncloud/blobs/master/apps/contacts/lib/connec
> tor_sabre.php#line194
> http://gitorious.org/owncloud/owncloud/blobs/master/apps/contacts/lib/vcard
> .php#line234
> 
> There is a mistake in the function's name.
> 
> Nicolas Duhamel

Confirmed. I would have fixed it myself, but I have no idea how to fix this in 
ownCloud 2 and the development version.

Bart Visscher (or if not available Robin Appelman), can you look into this?

Cheers,
Florian