OpenDNSSEC 1.3.5

* Auditor: Include the zone name in the log messages.
* ldns 1.6.12 is required for bugfixes.
* ods-ksmutil: Suppress database connection information when no -v flag is
  given.
* ods-enforcerd: Stop multiple instances of the enforcer running by checking
  for the pidfile at startup. If you want to run multiple instances then a
  different pidfile will need to be specified with the -P flag.
* ods-ksmutil: "zone delete" renames the signconf file; so that if the zone is
  put back the signer will not pick up the old file.
* Signer Engine: Verbosity can now be set via conf.xml, default is 3.

Bugfixes:
* Bugfix OPENDNSSEC-174: Configure the location for conf.xml with --config
  or -c when starting the signer.
* Bugfix OPENDNSSEC-192: Signer crashed on deleting NSEC3 for a domain that
  becomes opt-out.
* Bugfix OPENDNSSEC-193: Auditor crashed with certain empty non-terminals.
* Signer Engine: A file descriptor for sockets with value zero is allowed.
* Signer Engine: Only log messages about a full signing queue in debug mode.
* Signer Engine: Fix time issues, make sure that the internal serial does
  not wander off after a failed audit.
* Signer Engine: Upgrade ldns to avoid future problems on 32-bit platforms
  with extra long signature expiration dates. More information in separate
  announcement.

(pettai)