Revert "removed slide show classes from html"

This reverts commit 097ff61173433779ab5e16551c71317cc466ae36.
Revert "commented out js slideshow code"

This reverts commit a5db11729f260327ccca4032c2466b69f0dba94d.
Revert "Commented out slideshow and attempted to fix broken homepange img"

This reverts commit c058d1010cae27c9f0716a8c27a35993220ad09e.
made JPG lowercase on all images