manifest.json

{
  "name": "Gumtree Enhancement Suite",
  "version": "0.0.1",
  "manifest_version": 2,
  "description": "This extension was created with the awesome extensionizr.io",
  "homepage_url": "http://extensionizr.com",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "default_locale": "en",
  "background": {
    "scripts": [
      "src/bg/background.js"
    ],
    "persistent": true
  },
  "page_action": {
    "default_icon": "icons/icon19.png",
    "default_title": "Gumtree Enhancement Suite",
    "default_popup": "src/page_action/page_action.html"
  },
  "web_accessible_resources":[
    "src/lib/markerclusterer_compiled.js",
    "src/inject/gmaps.js"
  ],
  "permissions": [
    "http://www.gumtree.com/*, https://www.gumtree.com/* "
  ],
  "content_scripts": [
    {
      "matches": ["http://www.gumtree.com/*"],
      "js": ["src/lib/jquery.min.js","src/lib/markerclusterer_compiled.js","src/inject/inject.js"]
    }
  ]
}