Update the URL for the documentation on GitHub.

Signed-off-by: Brian St.Clair <brianstclair7@gmail.com>
Fix minor grammatical errors. Move empty "4.2 Architecture" heading into commented out section.

Signed-off-by: Brian St.Clair <brianstclair7@gmail.com>
Merge pull request #4 from brianstclair/master

Updated the link to the documentation on GitHub.