fix(Legacy): bust cache

Author: Sjors

Gruntfile.coffee

@@ -186,6 +186,10 @@ module.exports = (grunt) ->
           {src: ["polyfill.js"], dest: "build/js/", cwd: "node_modules/babel-polyfill/dist", expand: true}
         ]
 
+      legacy_cache_bust:
+        files: [
+          {src: ["legacy-cache-bust.js"], dest: "dist/wallet.min.js", cwd: "assets", expand: true}
+        ]
 
       css:
         files: [
@@ -491,6 +495,7 @@ module.exports = (grunt) ->
       "copy:main"
       "rename:assets"
       "rename:html"
+      "copy:legacy_cache_bust"
     ]
 
   # Run dist first

assets/legacy-cache-bust.js

@@ -0,0 +1,7 @@
+/*
+ * Redirect users to the new wallet
+ * page in a way that busts stale caches
+ */
+window.location.pathname = 'wallet';
+window.location.hash = '';
+window.location.queryString = 'bustcache=20160504';