Merge branch 'master' of https://github.com/Microsoft/pxt-microbit

sim/public/sim.manifest

@@ -0,0 +1,9 @@
+CACHE MANIFEST
+
+CACHE:
+/cdn/bluebird.min.js
+/cdn/pxtsim.js
+/sim/sim.js
+
+NETWORK:
+*

sim/public/simulator.html

@@ -1,5 +1,5 @@
 <!doctype html>
-<html lang="en" data-framework="typescript">
+<html lang="en" data-manifest="" data-framework="typescript">
 
 <head>
     <meta charset="utf-8">