[Dune] download and additional packages for UG and ALUGrid

[Tatiana Voitovich]

Dear colleagues,

I would like to follow Introduction Grid HowTo.
Please let me know how could I download UG and ALUGrid: the internet page

http://sit.iwr.uni-heidelberg.de/ug

does not respond,

and at

http://www.mathematik.uni-freiburg.de/IAM/Research/alugrid/

there are no downoad option.
To follow HowTo, I would like may be to use a package with a minimal
additional packages.

With best regards,
Tatiana