app.py: update branches to sync with latest release

app.py

@@ -53,39 +53,39 @@ BRANCHES = [
     },
     {
         'full_name'         : 'upstream/Plane-4.3',
-        'label'             : 'Plane 4.3 stable',
+        'label'             : 'Plane 4.3 beta',
         'allowed_vehicles'  : [plane],
-        'artifacts_dir'     : '/stable',
+        'artifacts_dir'     : '/beta-4.3',
     },
     {
         'full_name'         : 'upstream/Copter-4.3',
-        'label'             : 'Copter 4.3 stable',
+        'label'             : 'Copter 4.3 beta',
         'allowed_vehicles'  : [copter, heli],
-        'artifacts_dir'     : '/stable',
+        'artifacts_dir'     : '/beta-4.3',
     },
     {
         'full_name'         : 'upstream/Rover-4.3',
-        'label'             : 'Rover 4.3 stable',
+        'label'             : 'Rover 4.3 beta',
         'allowed_vehicles'  : [rover],
-        'artifacts_dir'     : '/stable',
+        'artifacts_dir'     : '/beta-4.3',
     },
     {
         'full_name'         : 'upstream/Copter-4.4',
-        'label'             : 'Copter 4.4 beta',
+        'label'             : 'Copter 4.4 stable',
         'allowed_vehicles'  : [copter, heli],
-        'artifacts_dir'     : '/beta',
+        'artifacts_dir'     : '/stable',
     },
     {
         'full_name'         : 'upstream/Plane-4.4',
-        'label'             : 'Plane 4.4 beta',
+        'label'             : 'Plane 4.4 stable',
         'allowed_vehicles'  : [plane],
-        'artifacts_dir'     : '/beta',
+        'artifacts_dir'     : '/stable',
     },
     {
         'full_name'         : 'upstream/Rover-4.4',
-        'label'             : 'Rover 4.4 beta',
+        'label'             : 'Rover 4.4 stable',
         'allowed_vehicles'  : [rover],
-        'artifacts_dir'     : '/beta',
+        'artifacts_dir'     : '/stable',
     },
 ]
 default_branch = BRANCHES[0]