jdan#3 limiting key combinations for slide controls

README.md

@@ -148,6 +148,9 @@ cleaver --file=examples/basic.json --output=render.html --style=styles/dark.css
   stylesheet is specified with the `--style` flag, that will be rendered
   *after* so you can override the default style. Watch out for specificity.
 
-To navigate the slideshow: H, J, BACK, DOWN, and Backspace all go back a slide, while everything else goes forward.
+To navigate the slideshow: 
+
+* **reverse**: H, J, LEFT, DOWN, and Backspace
+* **forward**: K, L, ENTER, UP, RIGHT, and Space
 
 [MIT Licensed](https://github.com/prezjordan/cleaver/blob/master/LICENSE)

templates/layout.mustache

@@ -52,10 +52,11 @@
       $(document).on('keydown', function(e) {
         var kc = e.keyCode;
 
-        // left, down, H, J, backspace
+        // left, down, H, J, backspace - BACK
+        // up, right, K, L, space, enter - FORWARD
         if (kc == 37 || kc == 40 || kc == 8 || kc == 72 || kc == 74) {
           go_back();
-        } else {
+        } else if (kc == 38 || kc == 39 || kc == 13 || kc == 32 || kc == 75 || kc == 76) {
           go_forward();
         }