added background image
search div has background now and render partial instead of duplicating search form
background fills screen and navbar is fixed on scroll
added colored div to about page so it can been seen with new image background
set up mixitup js to sort results
refactored to render search partial rather than duplicate code
included js file for mix it up, enables result sorting
when instantiating mixitup i set the display to block and that fixed the mis-alignment of columns on the results page
minor changed for mixitup
changed rake version
Merge branch 'jason_changes'