Create and use a fork of DG

[mchalupa]

https://github.com/mchalupa/dg has not been actively maintained for some time and this will not probably change in the future. It would be good to create a fork and continue any development in it. I would put a reference to the new fork into the original repo.

The reason for creating a fork instead of transferring the ownership is that there already exist many links (online and in papers) on the original repository, and therefore I think it is good to preserve it, just redirect the users to the new active repo.

[lzaoral]

Assigning to @trtikm since he has already created https://github.com/staticafi/sbt-dg. However, the fork contents seem to be quite outdated and the bootstrap scripts in sbt-slicer and sbt-intrumentation should be updated to clone from the fork as well.

[mchalupa]

@trtikm since he has already created https://github.com/staticafi/sbt-dg.

Oh, didn't notice. Well, then just let me know when it is ready to be referenced in DG as the main repo.