Integrates following changes:
- tr181-dnssd: increase maximum Service instance limit (d9b67836)
- tr181-dnssd: fix reserved bit count in intf_flags struct (03118b63)
- tr181-dnssd: rename misspelled files and clean up events handler (f08cb7ea)
- tr181-dnssd: avoid unnecessary copy of service_htable (85fcc6ec)
- tr181-dnssd: implement DNSSD.Scan data model (7057dd18)
- tr181-dnssd: cache services with configurable removal timeout (e5b1e471)
- tr181-dnssd: remove stale services on IP address change (06dfe2e1)
- tr181-dnssd: fix IP version detection using IPAddresses (443985b5)
- tr181-dnssd: expose IPAddresses in Scan event notification (959fb531)
- tr181-dnssd: fix NULL Host when TR-181 path lookup fails (8628544e)
- tr181-dnssd: remove @version tags from non standard parameters (241462e7)
- tr181-dnssd: implement DNSSD.Scan data model (160ea637)
- tr181-dnssd: remove stale services on IP address change (c23d7ce2)
References: PPW-1676
Signed-off-by: prplbot <bot@prplfoundation.org>
signed-off-by: Hela Saadani <hela.saadani_ext@softathome.com>