adds css transitions to .magazine-logo-change, .msudenver-logo,.magazine-logo
adds class .thumbnail to 3 feature section and hero section
adds thumbnail class to hero section and left-navigation
Merge pull request #14 from garzawicker/master

latest updates on t4 code
adds fixed height to 3 feature objects
adds <hr> to media objects
adds img-poloroid to media-object
adds padding to black buttons on side navigation
adds logic to make .thumbnail elements clickable only in the main landing page for the magazine