Publish Vulpes Preview 15 sources for desktop, Android and Tundra

Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.

gaia/tv_apps/smart-system/test/apps/modaldialogapp/index.html

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+<!DOCTYPE html>
+<html>
+
+  <head>
+    <meta charset="utf-8">
+    <title>Fake App Modal Dialog</title>
+    <script defer src="modaldialog.js"></script>
+  </head>
+
+  <body>
+  </body>
+</html>

gaia/tv_apps/smart-system/test/apps/modaldialogapp/manifest.webapp

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+{
+  "name": ">>> Modal Dialog <<<",
+  "description": "App used to test modal dialogs",
+  "type": "privileged",
+  "launch_path": "/index.html",
+  "fullscreen": true,
+  "developer": {
+    "name": "The Gaia Team",
+    "url": "https://github.com/mozilla-b2g/gaia"
+  }
+}

gaia/tv_apps/smart-system/test/apps/modaldialogapp/modaldialog.js

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+/* exported showDialog */
+'use strict';
+
+function showDialog(type, message) {
+  setTimeout(function() {
+    switch(type) {
+      case 'alert':
+        alert(message);
+        break;
+      case 'prompt':
+        prompt(message);
+        break;
+      case 'confirm':
+        confirm(message);
+        break;
+    }
+  }, 1000);
+}