moved to batch based meshes

stretch_description/urdf/update_meshes.py

@@ -0,0 +1,8 @@
+#!/usr/bin/env python
+import os
+import stretch_body.hello_utils as hu
+batch_name = hu.read_fleet_yaml('stretch_re1_factory_params.yaml')['robot']['batch_name'].lower()
+cmd='cp ~/catkin_ws/src/stretch_ros/stretch_description/meshes/'+batch_name+'/*.STL ~/catkin_ws/src/stretch_ros/stretch_description/meshes'
+print("Copying in mesh files from batch:"+batch_name)
+print(cmd)
+os.system(cmd)