Copy 2012-06-lambda-luminaries to 2013-08-galois

Begin the new talk.
Add \frametitle to all frames

For some reason, beamer complained about the implicit frame titles in
fragile frames. I'm not sure why. It didn't do it on the previous
system on which I developed these slides (not sure what the beamer
versions are).

I changed all frames to use \frametitle{<frame title>}. It's ugly but
consistent.
Ignore TeX side effect files and Vim .swp files
Add \CSharp command and change \CPP command