{
  "manifest_version": 2,
  "name": "Rubic",
  "version": "0.9.0",
  "default_locale": "en",
  "description": "__MSG_Manifest_Desc__",
  "icons": {
     "16": "images/rubic_cube2x2_16.png",
     "32": "images/rubic_cube2x2_32.png",
     "48": "images/rubic_cube2x2_48.png",
    "128": "images/rubic_cube2x2_128.png"
  },
  "permissions": [
    "serial",
    "storage",
    "unlimitedStorage",
    {"fileSystem": ["directory", "write"]}
  ],
  "app": {
    "background": {"scripts": ["__BACKGROUND__"]}
  }
}

{
  "manifest_version": 2,
  "name": "Rubic",
  "version": "0.9.0",
  "default_locale": "en",
  "description": "__MSG_Manifest_Desc__",
  "icons": {
     "16": "images/rubic_cube2x2_16.png",
     "32": "images/rubic_cube2x2_32.png",
     "48": "images/rubic_cube2x2_48.png",
    "128": "images/rubic_cube2x2_128.png"
  },
  "permissions": [
    "https://github.com/",
    "https://api.github.com/",
    "https://raw.githubusercontent.com/",
    "serial",
    "storage",
    "unlimitedStorage",
    {"fileSystem": ["directory", "write"]}
  ],
  "app": {
    "background": {"scripts": ["__BACKGROUND__"]}
  }
}

Add github URL to allow XHR
Add github URL to allow XHR
