[master] Finished merge of trac4031 (combined: header, asiodns, testutils, asiolink cleanup)

ChangeLog

@@ -1,3 +1,8 @@
+995.	[build]		fdupont
+	Removed additional files left over from BIND 10 (headers,
+	src/lib/{asiodns,testutils,asiolink}).
+	(Trac #4028, #4029, #4031, git xxx)
+
 994.	[func]*		marcin
 	DHCPv6 server fully supports RFC 7550.
 	(Trac #3947, git c06ab97a4e068c4b4b11f4685c56dd402b2385dc)