Add functions to revoke and add new keys to demo.demo_director.py and demo.demo_oem_repo.py.
>>> import demo.demo_director as dd
>>> import demo.demo_oem_repo as do
>>> dd.revoke_and_add_new_key_and_write_to_live()
>>> do.revoke_and_add_new_key_and_write_to_live()
Add functions to revoke and add new keys to
demo.demo_director.py
anddemo.demo_oem_repo.py
.Fix for issue uptane/uptane#36