RHUI_TEST_DEBUG variable to save debug output
output shell
scripts/rhui-installer.py: remove bug#862016 workaround
fix 'subnet id' description
test_rhui_bug848885.py: upgrade
test_rhui_bug862016.py introduced
test_rhui_bug848885.py:
    s,proxy_host,proxy_url,
    return value shoud be 0
    generate separate /etc/rhui/answers.848885 file and make a diff