tune node and publishers for speed adapted to rosbag

yaml/demo_visual_odometry_euroc.yaml

@@ -11,7 +11,7 @@ config:
     print_period: 1           # only if print_problem
 
   problem:
-    node_rate: 100
+    node_rate: 20
     follow: "tree_manager_sliding.yaml"
     frame_structure: "PO"
     dimension: 3
@@ -57,7 +57,7 @@ config:
       type: "PublisherGraph"
       topic: "graph"
       package: "wolf_ros_node"
-      period: 0.1
+      period: 0.2
       viz_scale: 0.3
       text_scale: 0.1
       landmark_text_z_offset: 0.3
@@ -82,7 +82,7 @@ config:
       topic: "/debug_image"
       topic_preprocessor: "/debug_image_preprocessor"
       package: "wolf_ros_vision"
-      period: 0.25
+      period: 0.2
       tracks:
         show_id: false
         size_id: 0.75