Add README
Add simple Python deployment script
Merge branch 'infrastructure'

When I first made this repository, I didn't really think about
separating the dotfiles themselves from the script(s) which manage them.
Now I've cherry picked the 'infrastructure' commits into a separate
branch for infrastructure development. Unfortunately, my original rough
vimrc was bundled in the original commit, and this couple of commits
will be duplicated in the master branch.