Modified javascript slideshow to allow random slide order.
Slides are guaranteed to cycle through before the same random slide is chosen twice.
Merge branch 'master' of https://github.com/itsmequinn/Really-Simple-Slideshow into itsmequinn-master

Conflicts:
	js/jquery.rs.slideshow.min.js
Merge branch 'itsmequinn-master' into random
Adding random option to settings

Added minified version