Changing the behavior of tagging play on instackenv file check
Changing the behavior of tagging play on instackenv file check

As for the last tag play commit 'bc227a8d', the play unable to
recognize the manual instackenv.json file input.

Change-Id: I2e0e21705304446868b061aa1d493245185f1ebb
(cherry picked from commit b88eb9264a993a888b8ff003d6790723aae377a4)

redhat-openstack/infrared,redhat-openstack/infrared,redhat-openstack/infrared