[IMP] directory cleanups, moved historical cruft into history

MANIFEST.in

README

history/Changelog

history/Changelog-4.x

history/Changelog-6.x

history/INSTALL

history/README.urpmi

history/README.userchange

history/change-loglevel.sh

history/check_profile_l10n_all.py

history/clean-model.sql

history/gen_graph.sh

history/get-srvstats.sh

history/list-services.sh

history/migrate/3.3.0-3.4.0/README

history/migrate/3.3.0-3.4.0/post.py

history/migrate/3.3.0-3.4.0/pre.py

history/migrate/3.4.0-4.0.0/README

history/migrate/3.4.0-4.0.0/post-tiny.py

history/migrate/3.4.0-4.0.0/post.py