DP-2961: ignore UDP/TCP messages from remote senders

DP-2961: Adding debug message

DP-2961: correcting sender's address
DP-3265 Adding to agent option which allow to set device name and reset it to default

Signed-off-by: Pawel Zwanitaj <pawel.zwanitaj@intel.com>
DP-3309 Sending empty strings instead of undefined in credentials for MQTT.
DP-3302 : Adding credentials forwarding to mqtt and rest clients (deviceId and device Token)

Signed-off-by: Joanna Rozestwinska <joanna.rozestwinska@intel.com>