Examine source code of Collamark

{
  "name": "Collamark",
  "applications": {
    "gecko": {
      "id": "ffaddon@collamark.com"
    }
  },
  "version": "1.9.8.7resigned1",
  "description": "an extension for collamark.com, which allows word-based sharing",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "http://*/*",
    "http://*/*",
    "tabs",
    "contextMenus",
    "activeTab",
    "storage"
  ],
  "options_page": "options.html",
  "icons": {
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "browser_action": {
    "default_icon": "icon-38.png",
    "default_title": "CollaMark",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "exclude_matches": [
        "http://collaread.com/*",
        "http://collamark.com/*"
      ],
      "js": [
        "jquery-1.8.1.min.js",
        "collamark_together_crx.js"
      ],
      "css": [
        "collamark_together.css"
      ],
      "run_at": "document_end"
    }
  ],
  "externally_connectable": {
    "matches": [
      "*://collamark.com/*",
      "*://colla.me/*"
    ]
  },
  "web_accessible_resources": [
    "icon-19.png",
    "collamark_together.css",
    "jquery-1.8.1.min.js",
    "iframe.html",
    "collamark_iframe.js",
    "collamark_iframe.css",
    "css/fonts/collamark.eot",
    "css/fonts/collamark.svg",
    "css/fonts/collamark.ttf",
    "css/fonts/collamark.woff"
  ],
  "manifest_version": 2
}