see https://thomasmakehuman.wordpress.com/
The new path to the MHX2 repo is thus https://bitbucket.org/Diffeomorphic/mhx ... n-exchange and the place to download the zip file from is https://bitbucket.org/Diffeomorphic/mhx ... /downloads. The paths to the stable versions have not changed; they are still hosted in my dropbox and are not affected by this move.
He also shares an additional blog address that his many fans may wish to check going forward:
http://diffeomorphic.blogspot.se/