Merge pull request #1 from ryancdotorg/dnssec

Add DS records to support DNSSEC
Merge pull request #2 from ryancdotorg/wildcard-ns-fix

ignore wildcard ns records to resolve #6 (https://github.com/khalahan/NamecoinToBind/issues/6)
Merge pull request #3 from namecoin/master

more merging