Downgrades a bunch of not-useful-at-info-level debug messages from info
-> debug. This makes `info` a more useful value for a client that wants
messages about startup/shutdown but not random non-serious connection
related messages.
lokimq.cpp and lokimq.h were getting monolithic; this splits lokimq.cpp
into multiple smaller cpp files by logical purpose for better parallel
compilation ability. It also splits up the lokimq.h header slightly by
moving the ConnectionID and Message types into their own headers.
Jason Rhinelander