Merge branch 'master' into max6675

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pxt-microbit",
-  "version": "0.3.69",
+  "version": "0.3.71",
   "description": "micro:bit target for PXT",
   "keywords": [
     "JavaScript",
@@ -29,6 +29,6 @@
     "typescript": "^1.8.7"
   },
   "dependencies": {
-    "pxt-core": "0.3.79"
+    "pxt-core": "0.3.81"
   }
 }

sim/visuals/neopixel.ts

@@ -172,11 +172,11 @@ namespace pxsim.visuals {
                 if (!pixel) {
                     let cxy: Coord = [0, CANVAS_VIEW_PADDING + i * PIXEL_SPACING];
                     pixel = this.pixels[i] = new NeoPixel(cxy);
+                    svg.hydrate(pixel.el, { title: `offset: ${i}` });
                     this.canvas.appendChild(pixel.el);
                 }
                 let color = colors[i];
                 pixel.setRgb(color);
-                svg.hydrate(pixel.el, { title: `offset: ${i}` });
             }
 
             //show the canvas if it's hidden