Web Page Annotator

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Web Page Annotator",
  "short_name": "Simply select some text on this page and make a comment",
  "description": "Add-on, by Mediamaster.eu, to easily add annotation functionality to any webpage",
  "version": "2.0.2",
  "minimum_chrome_version": "38",
  "icons": {
    "16": "assets/icon_16.png",
    "128": "assets/icon_128.png"
  },
  "permissions": [
    "<all_urls>",
    "tabs",
    "contextMenus",
    "notifications",
    "bookmarks",
    "contentSettings"
  ],
  "web_accessible_resources": [
    "data/images/*.png"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "data/css/annotator.css"
      ],
      "js": [
        "data/js/vendor/jquery.js",
        "data/js/pkg/annotator-full.js",
        "data/js/pkg/annotator.offline.min.js",
        "data/js/showdown.js",
        "data/js/add-annotation.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": {
      "19": "assets/icon_16.png",
      "38": "assets/icon_128.png"
    }
  },
  "offline_enabled": true,
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}