DESCRIPTION: send invitation

METHOD: POST

AUTH: true

URL: /ucaldav/user/douglm/

CONTENTTYPE: text/xml

CONTENT:
<?xml version='1.0' encoding='UTF-8'?>
<invite-reply xmlns:D="DAV:"  xmlns='http://calendarserver.org/ns/'>
  <D:href>mailto:douglm@mysite.edu</D:href>
  <invite-accepted/>
  <hosturl>
    <D:href>/ucaldav/user/mtwain/calendar</D:href>
  </hosturl>
  <in-reply-to>ff808181-3a5601c2-013a-560663d5-00000003</in-reply-to>
  <summary>The Shared Calendar</summary>
  <common-name>Mike Douglass</common-name>
  <first-name>Mike</first-name>
  <last-name>D</last-name>
</invite-reply>