asc_bootstrap - adding default logos to header, setting up btn in theme settings for OSU logo, sass updates, js updates, setting up call out box to not link if no link is entered, debugging fun facts to not display bkd color as txt if not all fun facts are filled in

sass updates, setting up header and footer in their own include files, hard coding osu nav and header images and removing block regions for them, removing extra </div> in accordion for loop that's breaking things, hard coding search box to mobile menu, and updating call out boxes two