Create stipe module documentation

Using the following command:

    sphinx-apidoc -o doc/source/modules stripe `pwd`/stripe/openstack

We can automatically generate the required sphinx documentation.
Ideally there should be a gate check for this, maybe in the future.

Change-Id: I8f352c4f4ad37aa48374a665590e9b5c030ff76d
Signed-off-by: Paul Belanger <paul.belanger@polybeacon.com>