Updated copyright notices to include the year 2018.
Updated copyright notices to include the year 2017.
doveadm: Fix error reporting for doveadm-dump-dcrypt
doveadm: trim doveadm dump dcrypt-key input dcrypt does not like extra newlines at the end of a key.
doveadm-dump: Add missing include
doveadm: add doveadm-dump-dcrypt-key