Remove unnecessary extra newline that confused some markdown previewers (in my case Atom.io).
(Very minor) consistent formatting of "// ... stuff ..." comments.
Note in the Objects and Arrays section on avoiding trailing commas with a link to the Commas section.
Note on escaping single quotes in strings.
Add recommendation to avoid unnecessary else statements when returning within an if clause.
Add note to Whitespace section on removing trailing whitespace.
Add justification and some further reading on using a leading semi colon before an IIFE to the Semicolons section.
Some additional notes on naming conventions including recommendations on abbreviations, acronyms, constants and class methods.
Add Orion Health to the list of companies in the README.
First pass of Orion Health specific changes:
- replace jQuery with YUI
- updated comments/documentation to be YUIDoc style
- use braces with all blocks (even single line blocks)

and a few other minor changes.

Additional sections on modules, files and copyright to hopefully follow soon.