docs(examples): fix the links

Author: Alexander Zhukov

src/app/pages/documentation/documentation.component.html

@@ -113,7 +113,7 @@ <h3><a id="configuration" class="anchor" href="#configuration" aria-hidden="true
       <td>
         Custom component that will be responsible for rendering the cell content while in view mode.<br>
         Type must be <span class="highlight">custom</span> in order for this to work.<br>
-        You can see an <a class="source" href="https://github.com/akveo/ng2-smart-table/blob/master/demo/src/app/pages/examples/custom-edit-view/advanced-example-custom-editor.component.ts">example here</a>
+        You can see an <a class="source" href="https://github.com/akveo/ng2-smart-table/blob/master/src/app/pages/examples/custom-edit-view/advanced-example-custom-editor.component.ts">example here</a>
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@@ -220,7 +220,7 @@ <h3><a id="configuration" class="anchor" href="#configuration" aria-hidden="true
         The available types are: <code>checkbox</code>, <code>select</code>, <code>completer</code>.<br>
         The <code>checkbox</code> type accepts one more optional property compared to the <code>editor</code> version: <span class="highlight">resetText: string</span>.
         It defines the text of the button to reset the checkbox selection.<br>
-        <a class="source" href="https://github.com/akveo/ng2-smart-table/blob/master/demo/src/app/pages/examples/filter/advanced-example-filters.component.ts">Click here to see an example</a> on how to configure it.
+        <a class="source" href="https://github.com/akveo/ng2-smart-table/blob/master/src/app/pages/examples/filter/advanced-example-filters.component.ts">Click here to see an example</a> on how to configure it.
       </td>
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