update README to reflect changes in code

Author: luigidr

README.md

@@ -2,7 +2,7 @@
 
 *Computer Vision course - [Politecnico di Torino](http://www.polito.it)*
 
-Two simple projects, made in Eclipse (Mars), for getting started with the [OpenCV](http://opencv.org) library (version 3.0) and with JavaFX (version 2 or superior).
+Two simple projects, made in Eclipse (Nenon), for getting started with the [OpenCV](http://opencv.org) library (version 3.x) and with JavaFX (version 2 or superior).
 
 Please, note that both projects are Eclipse projects, realized for teaching purposes. Before using any of them, you need to install the OpenCV library and create a `User Library` named `opencv` that links to the OpenCV jar and native libraries.