setup.sh now nabs path to wc root automatically.
setup.sh updates

- Script was made more robust. It now loops over given file names.
- Split files into two types. Simple files need symlinked directly. Other
files need to make a copy of the original and include it.
Added old emacs config.

I've hit ".emacs bankruptcy". I must start from scratch, especially with the
new keymappings I'm planning on using. However, I'll be keeping at least some
of the stuff defined here, and so it must be retained.
Added a few rc files.