Examine source code of EnvAwareness

{
  "manifest_version": 2,
  "name": "EnvAwareness",
  "description": "__MSG_appDescription__",
  "default_locale": "en",
  "version": "0.8resigned1",
  "browser_action": {
    "default_icon": "icons/icon.png",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon.png"
  },
  "permissions": [
    "storage",
    "https://ajax.googleapis.com/"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "js/notificationInjector.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "applications": {
    "gecko": {
      "id": "envawareness@araujoigor",
      "strict_min_version": "45.0"
    }
  }
}