style kaidez social network links with "font-awesome" (see msg)

style kaidez social networking links in the <aside> using the Font Awsome library. add "kaidez-social-sharing-list-item" and "clearfix" classes to the <li> in "_includes/aside_partial.html" that contains the links. apply slight changes to the "kaidez-social-sharing-list-item" class so things look/float properly.