fruux/sabre-dav — pull request #559 by Hywan (2014-11-19 13:40:05+00:00)
Title: text/x-card is deprecated in favour of text/card

Quoting the [RFC6350, Section 10.1. Media Type Registration](https://tools.ietf.org/html/rfc6350#section-10.1):
> In addition, the following media types are known to have been used
> to refer to vCard data. They should be considered deprecated in
> favor of text/vcard.
>
> * text/directory
> * text/directory; profile=vcard
> * text/x-vcard