Propose 1st talk: Writing a Lisp interpreter in JS

* Mary Rose Cook
* I'll explain the code for a simple Lisp interpreter in JavaScript.  I'll talk through the code that takes the string of raw Lisp code and parses it into a tree structure.  I'll talk through the code that walks through the tree structure and executes it.  The talk is ten minutes long.  Though we'll move fast, no prior knowledge of Lisp or interpreters is required.
Merge pull request #20 from maryrosecook/mary-rose-cook-lisp-interpreter-in-js

Propose 1st talk: Writing a Lisp interpreter in JS