add ec2 tests

Change-Id: Iced3eb8ca81c3b067496c3683f322b6e1dedec2a
compute test fix

Change-Id: Ie431e9871a7da78b5a3924bfbc51d5575d994d86
More make_client() logging cleanup

Change-Id: I5af4b9c52c69d6e31e6ca5f90d5880c097880a71
Merge branch 'help-cleanup' into dt-test
Merge branch 'log-make-client' into dt-test
Merge branch 'compute-test-fix' into dt-test
Merge branch 'identity-ec2-tests' into dt-test