Update CHANGELOG
Move JavaScript to footer

Ref https://github.com/h5bp/html5-boilerplate/issues/1605
Remove HTML5 shiv from Modernizr build
Simplify comments, use core comment form and list
Merge pull request #1181 from roots/remove-comment-templates

Simplify comments, use core comment form and list
Merge pull request #1180 from roots/js-to-footer

Move JavaScript to footer
Update CHANGELOG
Roots 7.0.2
Merge upstream master