Examine source code of Disguise and simplify

{
  "manifest_version": 2,
  "name": "Simplehan",
  "version": "1.1resigned1",
  "author": "Odilio Gregorio",
  "description": "First extension test",
  "icons": {
    "48": "icons/delgreg48.png"
  },
  "background": {
    "scripts": [
      "simplehan.js"
    ]
  },
  "page_action": {
    "browser_style": true
  },
  "permissions": [
    "activeTab",
    "tabs"
  ],
  "applications": {
    "gecko": {
      "id": "liodel.d@gmail.com",
      "strict_min_version": "42.0",
      "strict_max_version": "50.*"
    }
  }
}