add 'none'-transition (closes #159, #160)

css/reveal.css

@@ -811,7 +811,7 @@ body {
 
 
 /*********************************************
- * TILE-FLIP TRANSITION
+ * TILE-FLIP TRANSITION (CSS shader)
  *********************************************/
 
 .reveal.tileflip .slides section.present {
@@ -860,6 +860,25 @@ body {
 }
 
 
+/*********************************************
+ * NO TRANSITION
+ *********************************************/
+
+.reveal.none .slides section {
+	-webkit-transform: none;
+	   -moz-transform: none;
+	    -ms-transform: none;
+	     -o-transform: none;
+	        transform: none;
+
+	-webkit-transition: none;
+	   -moz-transition: none;
+	    -ms-transition: none;
+	     -o-transition: none;
+	        transition: none;
+}
+
+
 /*********************************************
  * OVERVIEW
  *********************************************/