Add a global example to doc

docs/examples.rst

 ========
 Examples
 ========
+
+.. code-block:: matlab
+
+	% This example expects a motor at port A and a (random) sensor at port 1 
+	b = EV3(); 
+	b.connect('usb'); 
+	ma = b.motorA; 
+	ma.setProperties('power', 50, 'limitValue', 720); 
+	ma.start(); 
+	% fun
+	ma.waitFor(); 
+	disp(b.sensor1.value); 
+	b.beep(); 
+	b.delete(); 

docs/index.rst

@@ -19,7 +19,6 @@ To get started, take a look at the :doc:`installation instructions <readme>` and
 This toolbox is being developed at the RWTH Aachen, Germany, as part of the students' lab
 'MATLAB meets Mindstorms'. It is the follow-up of the `MATLAB NXT Toolbox`_.
 
-##image##
 
 .. _MATLAB NXT Toolbox: http://www.mindstorms.rwth-aachen.de/trac/