add /etc/xsce and conf
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Merge pull request #178 from tim-moody/xsce-conf

add /etc/xsce and conf
missed in testing
Merge pull request #179 from tim-moody/conf-fix

missed in testing
add schoolserver/xsce, --/downloads, --/pip-packages, --/yum-packages
Merge pull request #180 from georgejhunt/opt-schoolserver

add schoolserver/xsce, --/downloads, --/pip-packages, --/yum-packages