Updating jumbotron preview icons

src/_includes/jumbotron-carousel.html

@@ -25,9 +25,10 @@
           <!-- Carousel items -->
           <div class="carousel-inner">
             <div class="active item"><div><i class="fa fa-flag"></i></div></div>
-            <div class="item"><div><i class="fa fa-birthday-cake"></i></div></div>
-            <div class="item"><div><i class="fa fa-paint-brush"></i></div></div>
-            <div class="item"><div><i class="fa fa-eyedropper"></i></div></div>
+            <div class="item"><div><i class="fa fa-hand-spock-o"></i></div></div>
+            <div class="item"><div><i class="fa fa-sticky-note"></i></div></div>
+            <div class="item"><div><i class="fa fa-commenting"></i></div></div>
+            <div class="item"><div><i class="fa fa-map-signs"></i></div></div>
             <div class="item"><div><i class="fa fa-envelope"></i></div></div>
             <div class="item"><div><i class="fa fa-send-o"></i></div></div>
             <div class="item"><div><i class="fa fa-book"></i></div></div>