Introduced special period and collection classes for different kinds of
free/busy information.
Added attendee details to quota-specific free/busy tables.
1cyrus_lmtp: 2debug_print="T: cyrus_lmtp for $local_part@$domain" 3driver=lmtp 4socket=/var/run/cyrus/socket/lmtp 5batch_max=200 6group=lmtp