update examples

apps/_example_widget/add_to_apps.json

@@ -4,9 +4,9 @@
   "icon": "widget.png",
   "version":"0.01",
   "description": "A detailed description of my great widget",
-  "tags": "",
+  "tags": "widget",
   "storage": [
     {"name":"+7chname","url":"widget.json"},
-    {"name":"-7chname","url":"widget.js"},
+    {"name":"-7chname","url":"widget.js"}
   ]
 }

apps/_example_widget/widget.js

@@ -7,6 +7,7 @@ currently-running apps */
 
   // draw your widget at xpos
   function draw() {
+    g.reset(); // reset the graphics context to defaults (color/font/etc)
   	// add your code
   }