* add get_certbot_version.sh
* Use get_certbot_version.sh in build.py
* make test_leauto_upgrades.sh more robust
* auto upgrades break tests
* OCSP experimental is not needed anymore
* Add test_sdists.sh
* Use LE_AUTO_VERSION, not repo version
* install OS deps earlier
* use readlink not realpath
* undo changes to build.py
* Factor out version code from build.py
* Use version.py in test_sdists
* Remove get_certbot_version
* workaround setuptools breakage
