Feature SmoothScroll
====================
* Added linking to jQuery in index.html
* Added file smoothScroll.js containing the smooth scrolling function for links and the fadeIn/fadeOut function for the to top button
* Added the bToTop class to elements.css for the to the top link at the bottom of the index.html
* Added 3 new arrow images
* Replaced the old arrow on the searchBar's submit with the new arrowhead_right_s_32.png