Don't forget the environment.properties when packaging
CLOUDSTACK-1106: Fix documentation for cloud-setup-databases

Signed-off-by: Rohit Yadav <bhaisaab@apache.org>
(cherry picked from commit 03b8181dcb8f7433204caea5ae69ce1c0a37a9de)

Signed-off-by: Rohit Yadav <bhaisaab@apache.org>