* Edited all links into Markdown format so they conform to Style Guidelines.
* Organized categories into a more logical order and edited names if needed.
* Removed/updated dead links.
* Moved un-categorized links into categories and others into correct category.
* Removed links from Books category that only led to a purchase page.
BrianB123
Derek Williams
Michael Wright
Yogesh Linganna
Mrugesh Mohapatra