Recommendation is to avoid using the year nomenclature as this
information is already encoded in the git repo. Avoids needing to
repeatly update.
Also updates AUTHORS.txt from current repo with contributor names
This is primarily to change all instances of wxLogDebug with wxLogTrace
so developers do not have to sift through debugging output that is always
dumped. The only exception is for code blocks built in debug builds and
called on demand for dumping object states.