dynamic_dns_update now supports any kind of record update
dynamic_dns_update now supports any kind of record update

The interface is compatible with old code, no impacting

Signed-off-by: guo1017138 <e985f04530890a050476b3ebafcdb257832ab2e7@nokia-sbell.com>

rbenji/DynamicDNS-for-NameSilo