Fix bin/cf_deploy

Signed-off-by: Dan Wendorf <dwendorf@pivotallabs.com>
director_uuid is a top-level manifest value

Signed-off-by: Dan Wendorf <dwendorf@pivotallabs.com>
Bump to 0.3.1

Signed-off-by: Dan Wendorf <dwendorf@pivotallabs.com>