backport of c837cde92304cfaf4a44c31dfb40bbadfd05fe04
backport of a0102669d2d842163d17d61e254dbd0ba8a3ea92
touch up
backport of a55c0555b6fb92a6b6b239a9dce2fde2100e7ae5
* xs- goes to iiab-
* more xs->iiab
* sysconfig was forgotten
* hyphen vs underscore i roles network templates
* bulk sed on pgsql-xs
* create links for old script names
* missed named-xs -> named-iiab
* squid-xs ->squid-iiab
* misspelled squid-iiab.conf.j2
* change apache_data to apache_user in all
* no libapach2 in centos. just php. no php-magick in centos
* remove redundant vars entries
* do not create apache user
* missed one pound sign
* soft code all references to apache_user
* centos requires older setuptools
* revert ansible_lsb.id in xsce.yml
* try getting recent pip
* move pip download to 2prep so that kalite success is not dependent on iiab coming first
* still need to replace setuptools in kalite
* add curl -- needed in debian
* massivly substitue iiab for xsce, and rename files
* completed runansible
* centos fixes,install pip
* appliance means no iptables rules
* change to earlier version of setuptools for centos
* delete file duplicate, hopefully unnecessary. generate the offline docs
* wiki docs errors
* create the admin group -- deleted earlier
* use the --yes option with pip uninstall
* base of repo moved from schoolserver to iiab, unleashkids.org->iiab.io
* network detection broken due to tupo
