Update documentation for new Shaded option.

Removed some old incorrect texts.

docs/graph2d/index.html

@@ -246,8 +246,6 @@
     <p>
         Graph2d can load data from an <code>Array</code>, a <code>DataSet</code> (offering 2 way data binding), or a <code>DataView</code> (offering one way data binding).
         Objects are added to this DataSet by using the <code>add()</code> function.
-        Data points must have properties <code>x</code>, <code>y</code>, and <code>z</code>,
-        and can optionally have a property <code>style</code> and <code>filter</code>.
     <p>
         Graph2d can be provided with two types of data:
     </p>
@@ -760,8 +758,8 @@ onRender: function(item, group, graph2d) {
         <tr parent="shaded" class="hidden">
             <td class="greenField indent">shaded.orientation</td>
             <td>String</td>
-            <td>'bottom'</td>
-            <td>This determines if the shaded area is at the bottom or at the top of the curve. The options are 'bottom' or 'top'.</td>
+            <td>'zero'</td>
+            <td>This determines if the shaded area is at the bottom or at the top of the curve, or always towards the zero-axis of the graph. The options are 'zero', 'bottom' or 'top'.</td>
         </tr>
         <tr parent="shaded" class="hidden">
             <td class="greenField indent">shaded.style</td>
@@ -1308,15 +1306,6 @@ Graph2d.off('rangechanged', onChange);
             </td>
         </tr>
 
-        <tr>
-            <td>finishedRedraw</td>
-            <td>
-                none.
-            </td>
-            <td>Fired after a redraw is complete. When moving the Graph2d around, this could be fired frequently.
-            </td>
-        </tr>
-
         <tr>
             <td>rangechange</td>
             <td>