Update go-checkpoint library and add link to README.

scope

@@ -90,13 +90,8 @@ check_not_running() {
 }
 
 launch_command() {
-    local args="-v /etc/weave:/etc/weave"
-    if  (set +u; [ -n "$CHECKPOINT_DISABLE" ]); then
-        args=
-    fi
     echo docker run --privileged -d --name=$SCOPE_CONTAINER_NAME --net=host --pid=host \
             -v /var/run/docker.sock:/var/run/docker.sock \
-            $args \
             -e CHECKPOINT_DISABLE \
             $WEAVESCOPE_DOCKER_ARGS $SCOPE_IMAGE --probe.docker true "$@"
 }