Fix example links

Author: harbaum

www/blue/examples.html

@@ -18,7 +18,7 @@
       <label for="bmenub" class="burger pseudo button">menu</label>
 
       <div class="menu">
-	<a href="https://github.com/harbaum/ftduino/tree/master/ftduino/libraries/Ftduino/examples/Bluetooth/ftduinoblue_demo" class="pseudo button">Example Sketch</a>
+	<a href="https://github.com/harbaum/ftDuinoBlue/tree/master/sketch/" class="pseudo button">Example Sketches</a>
 	<a href="https://play.google.com/store/apps/details?id=org.harbaum.ftduinoblue" class="pseudo button">Android App</a>
       </div>
     </nav>
@@ -306,7 +306,7 @@ <h2 id="demo6">Demo #6: Slider</h2>
       expect the sliders to be set to the current value at
       startup. The <a href="https://github.com/harbaum/ftDuinoBlue/tree/master/sketch/ftduinoblue_demo">example
       sketch</a> also does this in
-      the <tt>ftduinoblue_state_callback()</tt> function.</p>
+      the <a href="https://github.com/harbaum/ftDuinoBlue/tree/master/sketch/ftduinoblue_demo/ftduinoblue_demo.ino#L124"><tt>ftduinoblue_callback()</tt> function</a>.</p>
 
     <p>Furthermore this demo shows how to disable an element by
       setting its <tt>enabled</tt> attribute to <tt>false</tt> making

www/blue/index.html

@@ -20,7 +20,7 @@
       <div class="menu">
 	<a href="#gs" class="pseudo button">Getting started</a>
 	<a href="examples.html" class="pseudo button">Examples</a>
-	<a href="https://github.com/harbaum/ftDuinoBlue/tree/master/sketch/ftduinoblue_demo" class="pseudo button">Example Sketch</a>
+	<a href="https://github.com/harbaum/ftDuinoBlue/tree/master/sketch/" class="pseudo button">Example Sketches</a>
 	<a href="https://play.google.com/store/apps/details?id=org.harbaum.ftduinoblue" class="pseudo button">Android App</a>
       </div>
     </nav>