Points comp rule change?

Can anyone explain? Has there been a rule change in the sprint classification at the Tour?
http://www.cyclingnews.com/news/froome- ... roche-says
Also tend to think Roche is right about Wiggins and Froome.
Cavendish has a habit of getting himself docked points for his conduct. In this year’s Tour any misconduct will be severely punished so if he realistically wants to win the green jersey he will have to be careful." He, or anyone else, could lose up to 60 points following a rule change.
http://www.cyclingnews.com/news/froome- ... roche-says
Also tend to think Roche is right about Wiggins and Froome.
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On Wiggins/Froome, still still think Wiggins is Skys best hope this year and Froome in the long run. Wiggins palmares is stronger than Froomes whose Vuelta result was a flash in the pan really.
It is easy for Roche to say going for Green and GC may back fire, it may or may not, odds are even but they have to have a go.
If Cav is on top form and does not crash out I cannot see how he can fail to win green,
http://www.youtube.com/watch?v=aK5Bfqj5fxY
Like in 2009 and 2010? Oh wait, that was because the race offcials and other riders/teams were picking on him...