Make b9 programs rebuild when the source is updated
Make b9 programs rebuild when the source is updated

Signed-off-by: Andrew Young <9b1c84997b9b503084a7ab9e0b7da3894895a5c3@gmail.com>

jduimovich/Base9,youngar/Base9,jduimovich/Base9,youngar/Base9,youngar/Base9