Fix swagger files 404 error in 0.8.4
@@ -28,7 +28,7 @@ include versioneer.py
include bentoml/_version.py
include bentoml/saved_bundle/bentoml-init.sh
include bentoml/saved_bundle/docker-entrypoint.sh
-graft bentoml/server/static
+graft bentoml/server/swagger_static
graft bentoml/configuration
# include migration files
