Turn on -Weverything for clang
Turn on -Weverything for clang

And turned of -Werror.  Lot's of repetitive stuff here that should be
looked into.

Signed-off-by: Mark Beckwith <81157301a55d425d77936b67d032ee95b7418721@intrig.com>

intrig/xenon,intrig/xenon,wythe/xenon,intrig/xenon,wythe/xenon,wythe/xenon