Added 4 fragment transitions effect.

index.html

@@ -139,6 +139,7 @@
 						<p class="fragment grow">grow</p>
 						<p class="fragment shrink">shrink</p>
 						<p class="fragment fade-out">fade-out</p>
+						<p class="fragment fade-up">fade-up (also down, left and right!)</p>
 						<p class="fragment current-visible">current-visible</p>
 						<p class="fragment highlight-red">highlight-red</p>
 						<p class="fragment highlight-blue">highlight-blue</p>