OPENDNSSEC-546: Improve the logging on key creation and allocation to assist with debugging.
Also update news for OPENDNSSEC-531, remove double entry and update KNOWN_ISSUES with 104.
OPENDNSSEC-358: Man page update for new key list command and fix to usage (zone is actually optional).
Also tidy up of NEWS file.
Merge pull request #45 from saradickinson/OPENDNSSEC-546

Opendnssec 546