I am totally oblivious to whether they still have contact or not. Around the time that Croft was in prison for the charges, Jonny has apparently said they hadn't had any contact for about three years. I think it was in an interview that is on JRM fansite. I will try and find it and post that remark.
With regard to Croft and the charges against him. He was sentenced to one year in prison at first, but the charges were dropped in appeal because the judge didn't think the story of the boy (by then 18 years old, but 15 at the time of the alleged abuse) was reliable or believable. I read about that in a few article on the subject.
I think there was a lot of attention for the story, and mainly because of the connection with Jonny. That is strange on one hand, but on the other hand, the attention was from mainly Irish papers, I think, and Croft being an Irish citizen, that could also explain the attention for it. Especially, together with the Jonny connection.