Looks like a Pull request was sent into the unreal engine repo 
Looking forward to it.
I can’t wait to see this integrated into the editor!
If you haven’t already, submit that for a dev grant. It would be more than deserved (that’s exactly what those are intended for).
This is the most recent post I’ve seen about it.
http://tamedtornado.com/an-update-on-the-destructible-mesh-editor-and-this-site/
shame on Epic!!!, and respect for those people that make this cool stuff…
Oh, really bad… If Epic is unable to accept big PRs - they should spend some time to integrate this one and announce PRs acceptance rules at public.