MANIFEST.in: add LICENSE file (#477)
MANIFEST.in: add LICENSE file (#477)

Add LICENSE file to MANIFEST.in so LICENSE will be added to the release
tarball

Signed-off-by: Fabrice Fontaine <7d88633730b8b85c1516e612893df72eae9cd341@gmail.com>
dddomodossola/remi,dddomodossola/gui,dddomodossola/remi