README: update links to lm-sensors and add reference to sensors-unity

README.md

@@ -1,9 +1,10 @@
 sensors.py
 ==========
-python bindings using ctypes for libsensors3 of the [lm-sensors project](http://www.lm-sensors.org/). The code was written against libsensors 3.3.4.
+python bindings using ctypes for libsensors3 of the [lm-sensors project](https://github.com/groeck/lm-sensors). The code was written against libsensors 3.3.4.  
 
+For documentation of the low level API see [sensors.h](https://github.com/groeck/lm-sensors/blob/master/lib/sensors.h). For an example of the high level API see [example.py](example.py).
 
-For documentation of the low level API see [sensors.h](http://www.lm-sensors.org/browser/lm-sensors/tags/V3-3-4/lib/sensors.h). For an example of the high level API see [example.py](example.py).
+For a GUI application that displays the sensor readings and is based on this library, take a look at [sensors-unity](https://launchpad.net/sensors-unity).
 
 Features
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