Adding basic support for CardDAV (finding collections and fetching vCard objects)
Implements addVCard in DavStore. Works with Fruux, iCal Server and Kerio Connect
Adding support to update vCards
An update should generate a new eTag, so we need to change the eTag value of the object. Implementing DELETE on vCards too.
If the server dont support addressbook-query (Im looking at you CommuniGate Pro 5.4!!), try to fetch the vCards with a multiget.
Adding basic JavaDoc for DavStore
Merge pull request #8 from pascalrobert/master

CardDAV support in DavStore