[H-source-users] adapting h-client for python3/GTK3

[bill-auger]

i have h-client working with python3/GTK3 now - if people would
like to compile/package it, or review the code, it is the
'development' branch of the git repo 

the git repo is still only on pagure.io

VCS:
https://pagure.io/h-client/commits/development

tarball:
https://pagure.io/h-client/archive/0.0.0pre1/h-client-0.0.0pre1.tar.gz