Add launch to detect inverted ar markers

launch/adc_ar_detector_inverse.launch

+<?xml version="1.0" encoding="UTF-8"?>
+<launch>
+  <arg name="car_name"     default="adc_car"/>
+  <arg name="marker_size"  default="5.0"/>
+
+  <node name="ar_track_alvar_inverse" 
+        pkg="ar_track_alvar" 
+        type="individualMarkersNoKinect" 
+        respawn="false" 
+        output="screen">
+    <param name="marker_size"           type="double" value="$(arg marker_size)" />
+    <param name="max_new_marker_error"  type="double" value="0.08" />
+    <param name="max_track_error"       type="double" value="0.2" />
+    <param name="output_frame"          type="string" value="$(arg car_name)/front_camera_uvc_camera_optical" />
+    <remap from="/camera_image"  to="$(arg car_name)/sensors/basler_camera_inverse/image_raw" />
+    <remap from="/camera_info"   to="$(arg car_name)/sensors/basler_camera_inverse/camera_info" />
+  </node>
+  
+  <include file="$(find iri_image_inverter)/launch/node.launch">
+    <arg name="image_in_topic"  value="/$(arg car_name)/sensors/basler_camera/image_raw"/>
+    <arg name="image_out_topic" value="/$(arg car_name)/sensors/basler_camera_inverse/image_raw"/>
+  </include>
+</launch>