Logging: Messenger's "Friend" and DHT's "DHT_Friend" don't necessarily use the same indices.

Match the indices beforehand and then log the matched up data.
Also log unmatched "DHT_Friend"s minimally.
Merge pull request #670 from FullName/log-match-m_friend-and-dht_friend

Logging: Messenger's "Friend" and DHT's "DHT_Friend" don't necessarily use the same indices.