Revert "XX-11013 - DNS failover plan: change priority and weight for internal records so they are default. Failover plans should apply to external records only."

This reverts commit 044d42a3e14f233ec9e46dd9eeed19d66da08d56.
XX-11013 - DNS failover plan: change priority and weight for internal records so they are default. Failover plans should apply to external records only. - take 3
Merge branch 'release-14.10' of github.com:SIPfoundry/sipxecs into release-14.10