- started adding coffeescript layer experimentation
 * included coffee-script.js in vendor folder
 * added language detection (basic) and language toggling switch
 * added coffeescript compilation
 * modified a few method (compile, analyze, etc) to match

- minor changes /fixes in ast analysis
- more work done on cursor coordinates conversion/ source maps for coffeescript
 * also added browserified build of source-map & updated node.js deps
- moved some small parts of code from main index.html to future tabbed-editor custom element