Update cfoverview.html

Protocol-agnostic URL for Google jQuery CDN: http://www.paulirish.com/2010/the-protocol-relative-url/
Update mayoral.html

Protocol-agnostic URL for Google jQuery CDN: http://www.paulirish.com/2010/the-protocol-relative-url/
Update overview.html

Protocol-agnostic URL for Google jQuery CDN: http://www.paulirish.com/2010/the-protocol-relative-url/
Merge pull request #1 from hanksims/master

Protocol Agnosticism