fix command and add rewind

main.py

@@ -33,9 +33,11 @@ message_queue = queue.Queue()
 commands = {
     'send-place-a-model': ('place-a/model', '1'),
     'send-place-a-model-details': ('place-a/model', 'details'),
+    'send-place-a-rewind': ('place-a/rewind', '1'),
     'send-place-a-exit': ('place-a/exit', '1'),
     'send-place-b-model': ('place-b/model', '1'),
     'send-place-b-model-details': ('place-b/model', 'details'),
+    'send-place-b-rewind': ('place-b/rewind', '1'),
     'send-place-b-exit': ('place-b/exit', '1'),
     'send-place-a-demo-objRed-blue': ('place-a/demo/move/objectRed1/blue', '1'),
     'send-place-a-demo-objRed-red': ('place-a/demo/move/objectRed1/red', '1'),
@@ -59,7 +61,7 @@ bytes_topics = [
     'place-b/scene/update',
     'place-b/reachability/arm1',
     'place-b/reachability/arm2',
-    'place-b/commands',
+    'place-b/command',
 ]
 
 button_style_normal = {"marginRight": "15px"}
@@ -116,6 +118,7 @@ app.layout = html.Div([
             html.H3("Commands Place A"),
             html.Button('Model', id='send-place-a-model', style=button_style_normal),
             html.Button('Model (Details)', id='send-place-a-model-details', style=button_style_normal),
+            html.Button('Rewind', id='send-place-a-rewind', style=button_style_normal),
             html.Button('Exit', id='send-place-a-exit', style=button_style_exit),
             html.Button('obj-Red -> Red', id='send-place-a-demo-objRed-red', style=button_style_normal),
             html.Button('obj-Red -> Blue', id='send-place-a-demo-objRed-blue', style=button_style_normal),
@@ -124,6 +127,7 @@ app.layout = html.Div([
             html.H3("Commands Place B"),
             html.Button('Model', id='send-place-b-model', style=button_style_normal),
             html.Button('Model (Details)', id='send-place-b-model-details', style=button_style_normal),
+            html.Button('Rewind', id='send-place-b-rewind', style=button_style_normal),
             html.Button('Exit', id='send-place-b-exit', style=button_style_exit),
             html.Button('obj-Red -> Red', id='send-place-b-demo-objRed-red', style=button_style_normal),
         ], className="six columns"),