Fixed unclosed divs in the footer and added function to add grey class behind footer ad where needed.
Merge branch 'develop-dave' into develop

* develop-dave:
  Fixed unclosed divs in the footer and added function to add grey class behind footer ad where needed.
Contribute page style and code updates
Pulling the !is_category out of the make_is_parent_page() function.
New cover?
Merge branch 'develop'