Jon Gosselin’s girlfriend Stephanie Lebo is willing to open lines of communication with Kate Gosselin. While Stephanie, 37, revealed she’s currently not “on speaking terms” with the mother-of-eight — other than a quick greeting while talking with Jon’s daughter Hannah, 19, on video chat — she isn’t “against the idea” if given the opportunity. Jon added, “I think that would be great only because we’re trying to build a relationship with the other kids. And I think it’s important that we all become united and that it becomes a bigger, extended family.” The TLC star, 47, has not been in contact w…