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
Apparently GCC does not like competing definitions of the == operator.
The recent refactoring away of all LIB_ITEM objects created a conflict
with the SCH_ITEM == operator definition. This change required some
rather ugly comparison changes. There were no unit test failures but
that doesn't mean something didn't get broken.
