Initial WIP commit for ruby
Start work on the JavaScript tutorial
Add the rest of the tutorial's structure
Begin writing about JavaScript arrays and dictionaries
comment syntax fix
Merge pull request #1 from DrJonOsterman/patch-1

comment syntax fix
fixes typos in the boolean results
Added links to MDN, tidied intro
Edits to section on strings and numbers
Tidy up section on variables, arrays and objects
Continue work on objects cont'd section
Add control structures
Adds sections for symbols, hashes, and yields
draft of Julia entry based on Python entry; finish up to Tuples section.
edited tuples section
edited Dict section
edited Set section
edited control flow section
fixed try/catch section
small changes based on Stefan's feedback.