httpd.c: don't enforce authentication for PROPFIND on root here - let meth_propfind() handle it
sync_support.c: log DB errors (annotations and subs)
httpd.c: don't leak unescaped query params (found by Valgrind)
http_timezone.c: don't use a freed string when creating EQUIVALENT-TZID (found by Valgrind)
http_caldav.c: don't leak struct buf when creating From: header
caldav logic fixes
httpd: log sessionid on authentication
http_mailbox_open - nuke and replace with opening mailboxes locally
http_dav.c: make COPY/MOVE dest_tgt static so we can use it for Location header w/o losing it
http_dav.c: don't leak partition in meth_mkcol() (foubd by Valgrind)
mboxlist.c: don't leak copy of mboxname in mboxlist_mycreatemailboxcheck() (found by Valgrind)
mailbox.c: don't leak an existing mailbox->uniqueid in mailbox_read_header() (found by Valgrind)
jcal.c: handle a JOSN string that we expect to be an integer
mboxlist.c: make sure mboxlist_mycreatemailboxcheck() actually returns success when it successful
http_caldav.c, caldav_db.c, configure.in: initial support fro VPOLL
jcal.c: handle multi-valued properties
xcal.c: handle multi-valued properties
http_dav.c: implemented DAV:displayname for user principals (needs LDAP/SQL callback)
caldav_db.c, http_caldav.c: fix compile problem if we have neither VAVAILABILITY nor VPOLL
http_caldav.c: allow to compile without any of the VPOLL stuff in libical