Examine source code of Better BugMeNot

{
  "manifest_version": 2,
  "name": "Better BugMeNot",
  "description": "Makes it more convenient to use BugMeNot.",
  "version": "1.0",
  "author": "Sin Jeong-hun",
  "icons": {
    "128": "icon128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "http://bugmenot.com/*",
    "contextMenus"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://bugmenot.com/view/*"
      ],
      "js": [
        "sjhUtilities.js",
        "modifier.js"
      ],
      "css": [
        "my.css"
      ]
    }
  ],
  "browser_action": {
    "default_popup": "settings.html"
  }
}