Nickname and lacing copy

This pull request fixes MAGN-117. It copies the nickname and the lacing from the parent node when pasting.

@Benglin This was assigned to you on YouTrack, but I fixed it because a user at SG was asking for it. PTAL.
Can we put the createdModels.Add call after we've finished mutating the newNode object? I.e. after the code below?