Examine source code of iPlugin for Jira

{
  "manifest_version": 2,
  "name": "Novibyte Issues Plugin",
  "version": "5.0",
  "description": "Jira Issues Management",
  "author": "MPK",
  "icons": {
    "128": "images/iPlugin_logo.png"
  },
  "applications": {
    "gecko": {
      "id": "iPlugin@novibyte.com"
    }
  },
  "browser_action": {
    "default_icon": {
      "128": "images/iPlugin_logo.png"
    },
    "default_title": "Novibyte Issues Plugin"
  },
  "background": {
    "scripts": [
      "javascripts/other/crypto.js",
      "javascripts/other/shorthash.js",
      "javascripts/other/jquery.js",
      "javascripts/iPlugin/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "css": [],
      "js": [
        "javascripts/other/jquery.js",
        "javascripts/other/crypto.js",
        "javascripts/other/browser.js",
        "javascripts/other/lame.min.js",
        "javascripts/other/recordmp3.js",
        "javascripts/iPlugin/content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    "images/*",
    "javascripts/*",
    "css/*",
    "iPlugin.html"
  ],
  "short_name": "iPLugin for Jira",
  "permissions": [
    "activeTab",
    "tabs",
    "<all_urls>",
    "storage"
  ]
}