Debug code to dump env
Debug code to dump env

Dumps env and various file contents before
running kick-start and int-tests, but only
on gate runs or if 'debug' is specified on the command.

Change-Id: I5f1c5f002d77710af6f56ba44ddb9a29f34d2b30
Depends-On: I3bbe3bafa7ea3e627272103ac16a38f6a32a8a06

zhangg/trove,hplustree/trove,openstack/trove,openstack/trove,zhangg/trove,hplustree/trove