[Gcompris-france] Release 9.6.1

[Bruno Coudoin]

Hi all. 

I just made a bug fix release of the 9.6 which includes the following
fixes:

- submarine: Reworked it deeply. It had several stability issues. At
  the same time, improved the graphism a little bit. Fixed major
  crash in submarine that arrived when the children won.
- click and draw: Fixed, it was not starting at all.
- renewable energy: On some system the wind farm was taking too much
  CPU.

Bruno.