Examine source code of Jira Issue Opener

{
  "name": "__MSG_extName__",
  "short_name": "__MSG_extShortName__",
  "version": "1.2",
  "author": "webbutler",
  "homepage_url": "https://github.com/AButler/jira-issue-opener-firefox",
  "default_locale": "en",
  "description": "__MSG_extDescription__",
  "permissions": [
    "activeTab",
    "storage",
    "tabs"
  ],
  "background": {
    "scripts": [
      "lib/jira.js",
      "background.js"
    ],
    "persistent": false
  },
  "omnibox": {
    "keyword": "jira"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "browser_action": {
    "default_title": "__MSG_extActionTitle__",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "images/jira-16.png",
    "32": "images/jira-32.png",
    "48": "images/jira-48.png",
    "128": "images/jira-128.png"
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Q"
      },
      "description": "Activate the extension"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{78847f60-651b-48e1-b00f-f5782719788b}"
    }
  },
  "manifest_version": 2
}