Add Random Function To Carousel Section

Add a random display of carousel for the feature projects because in
order to cut down on load time and to show the user the different
projects when the site first loads up the feature projects have been
randomize.
Add Chatr Feature Banner

Add in charr feature banner because it was missing when the banners
where added.
Fix A Simple Chess Game Banner

Fix A Simple Chess Game banner as the queen was over the chess cell
lines and the format in the Project Content JSON file was wrong it
should be .jpg not .png