Fix a miscopy where the incubator vhost uses the *.a.o key instead of the *.incubator.a.o key
fix permissions on www.a.o/dist/zzz to allow timestamp.txt to update properly
Revert "fix permissions on www.a.o/dist/zzz to allow timestamp.txt to update properly"

This was not the correct way to fix the www.a.o/dist/zzz permissions issue.
This reverts commit 77377c1bb16a9a51745e5b08b5c044166757e81d.
Actually fix the www.a.o/dist/zzz permissions to allow apmirror to update time.txt