Add missing icons and css for icons in layout

app/views/layouts/_orbit_bar.html.erb

@@ -54,7 +54,7 @@
 					</li>
 				<% else %>
 					<li class="dropdown bar-login">
-						<a class="dropdown-toggle orbit-bar-member" href="#"><%= t(:login) %></a>
+						<a class="dropdown-toggle orbit-bar-member" href="#" data-icon="inlog"></a>
 						<div class="dropdown-menu">
 							<ul class="log">
 								<li class="title hide"></li>