Float BCPlatform 29.0 version

build/Packages.json

@@ -9,8 +9,8 @@
     "_comment": "Used to fetch app baselines from BC artifacts"
   },
   "BCPlatform": {
-    "Version": "29.0.54473.0",
+    "Version": "29.0",
     "Source": "BCPlatform",
-    "_comment": "The BC platform version, fetched from the platform CDN"
+    "_comment": "The BC platform major.minor selector; resolves to the latest matching version from the platform CDN"
   }
 }