Fix linkage of RemoteLoader::RemoteLoader
avoid uninitialized values in LOC constructor
Merge pull request #896 from zeha/f/remoteloader-linkage

Fix linkage of RemoteLoader::RemoteLoader
partial 3.3-final docs
AXFR-in can handle secure and insecure NSEC3 optout delegations
AXFR-out can handle secure and insecure NSEC3 optout delegations
minor doc updates
drop useless index
Merge pull request #897 from mind04/nsd-interop

AXFR-in can handle secure and insecure NSEC3 optout delegations
penultimate 3.3 changelog update plus correct another oversight
no rectify for presigned zones
Merge pull request #898 from mind04/nsd-interop

no rectify for presigned zones
ultimate 3.3 changelog update
3.3 final docs