collage.html created.  Link from index.html updated. Uploaded collage images.
Merge branch 'master' into collage_page
Background color changed for active items in drop-down menu
Thumbnails created for each collage image. Images placed into foundation grid system.
Added slick library for image carousel.

todo: Add click events to thumbnails to load carousel in modal.
Full size collage image extensions changed from jpeg to jpg.
Added php script to load image names into javascript variable.
Script tag for php file added to collage.html.
Updated getimages php script with new variable name for image name array.
built append images function to add images from imageName variable to DOM.
Merge pull request #3 from djohnson0610/collage_page

Collage page