skiplist: fix safety checks
add myrights to list return options
list: send MYRIGHTS response if requested in RETURN options
non-standard LIST-MYRIGHTS capability
endline after rights
cache: don't cache a small set of unused headers

This should shrink the sync size down to manageable!
index: handle 'TEXT.MIME' as 'HEADER'
index: maybe we DO tell flag changes
imap: create-special-use should create as the mailbox owner

not the authenticated (possibly admin) user
index: return BADTYPE if non-IMAP folder opened
vcard nicer
mboxlist: export parse_entry
crashfix
more fixes
caldav: don't crash on messages with non-local organiser
all quota things should be quota_t
don't show scheduling URLs if not scheduling
caldav: suppress sync-token for non-calendar collections
DAV: always let owner modify ACLs (skanky, but there's your crazy times)
http_dav: allow read-free-busy to be set via DAV