Correct link, spelling, and markup in Readme
Merge pull request #290 from Abizern/readme-corrections

Correct link, spelling, and markup in Readme
Comment out a couple of personal defuns

If the pull request to include them in Prelude is successful
I can delete them.
Bring in my changes from upstream
Set up for clisp, slime and quicklisp
Set clisp as default lisp