Revert "revert zc.buildout version"
Revert "revert zc.buildout version"

This reverts commit d28f4d6769e1a5e849faf9b81c6a68e1086f8442.

hms-dbmi/fourfront,4dn-dcic/fourfront,hms-dbmi/fourfront,4dn-dcic/fourfront,hms-dbmi/fourfront,hms-dbmi/fourfront,4dn-dcic/fourfront,hms-dbmi/fourfront,4dn-dcic/fourfront