updated serial filters

libs/microbit/kind.json

@@ -44,7 +44,7 @@
                 ]
             },
             "files": {
-                "main.blocks": "<xml xmlns='http://www.w3.org/1999/xhtml'>\n</xml>\n",
+                "main.blocks": "<xml xmlns=\"http://www.w3.org/1999/xhtml\"><block type=\"device_print_message\"><value name=\"text\"><shadow type=\"text\"><field name=\"TEXT\">Hello!</field></shadow></value></block></xml>",
                 "main.blocks.ts": "\n",
                 "README.md": "Describe your project here!"
             }
@@ -64,7 +64,7 @@
                 ]
             },
             "files": {
-                "main.ts": "basic.showString('Hi!')\n",
+                "main.ts": "basic.showString('Hello!')\n",
                 "README.md": "Describe your project here!"
             }
         },
@@ -75,7 +75,7 @@
             "hasHex": true
         },
         "serial" : {
-            "nameFilter": "mbed Serial Port",
+            "manufacturerFilter": "^mbed$",
             "log": true   
         }        
     }