Don't try to fetch zone which does not use the DNS input adapter
Fix for [Opendnssec-user] Zone stuck, not updating.
Credits go to Havard Eidnes.
update NEWS and version
Update version and NEWS for release 1.4.7rc1
Update version and NEWS for release 1.4.7
Merge branch 'release/1.4.7' into 1.4/develop