follow person teleop mode working

Author: lu164

exercises/templates/exercises/follow_person/exercise.html

@@ -20,7 +20,7 @@
                         {% react_component components/visualizers/VncConsoleViewer%}{% end_react_component %}
                         {% end_react_component%}
                         {% react_component components/containers/FlexContainer%} 
-                            {% react_component exercise/follow_person/ImgCanvas %}{% end_react_component %}
+                            {% react_component exercise/follow_person/SpecificFollowPerson %}{% end_react_component %}
                             {% react_component components/visualizers/GazeboViewer%}{% end_react_component %}
                         {% end_react_component %}
                 {% end_react_component %}
@@ -45,7 +45,7 @@
                     {% react_component components/visualizers/ConsoleViewer%}{% end_react_component %}
                         {% end_react_component%}
                         {% react_component components/wrappers/FlexContainer%} 
-                            {% react_component exercise/follow_person/ImgCanvas %}{% end_react_component %}
+                            {% react_component exercise/follow_person/SpecificFollowPerson %}{% end_react_component %}
                             {% react_component components/visualizers/GazeboViewer%}{% end_react_component %}
                         {% end_react_component %}
                 {% end_react_component %}