Adding draft for simple parser using core.match.
Renaming core.match recipe and using "match pattern" instead of "match
line" terminology.
Adding a recipe for writing a small interpreter.
Removing out-of-place last paragraph from interpreter recipe.
Removing empty comment block.
Notes in luminus
Merge pull request #231 from josephwilk/josephwilk-license

Adding josephwilk licence agreement
Cross links for @cjfrisz recipes. Add to chapter.
Merge branch 'master' of https://github.com/clojure-cookbook/clojure-cookbook
Merge branch 'cjfrisz-parser-interpreter'
Formatting
Correcting repeated word in parser recipe.
A missed source/clojure tag
This looks too long in the book. Reduce size.