Rewrote editor script file and demo file

Script and demo file now use objects instead of global
functions/variables
Rewrite tokenizer script and demo file

Tokenizer script and demo now use objects instead of global
vars/functions.
Rewrite parser script and demo

Parser script and demo now use objects instead of global vars/functions.
Add original autocomplete file

This file was the original javascript file containing all of the code
for the browser editor, parser, tokenizer, autocomplete, etc. It has
since been broken into smaller components but until all components are
complete, I'm keeping the original around for reference.