Use ldns as stub resolover for sync queries part 1
Setting up nameservers correctly for ldns as stub
Add extra check in test_stub_sync for TCP messages
Fix typo
Housekeeping of ldns res. Fix transport test.
More housekeeping
Merge pull request #66 from saradickinson/ldns_stub_sync

Thank you Sara.
Travis fails because it uses a version of ldns that doesn't include ldns_resolver_query_status yet (introduced on 19 march 2013, so they have a version before 1.6.17).  I guess we could simply replace with ldns_resolver_query for the time being...