Instances, Volumes, Snapshots, AMIs and s3 objects with the "keep_me" tag will
not be deleted automatically even if they are older then the specified time limit.
(cherry picked from commit db7b1e4fcd)
(cherry picked from commit 0029f23b0e)
The OS_PROJECT_NAME (or OS_TENANT_NAME) environment variable needs to be defined.
Use the OS_PROJECT_NAME, since it is recommended in the documentation instead of
the older OS_TENANT_NAME.
(cherry picked from commit cc6fdb2fac)
