Replace the title of the tab by the location host, excluding www
Tiny script which replaces the page title by the domain name (or subdmain).
Also works when pages are updated (ajax)
Currently only excludes www and .com.
For example: ( page url -> new page title)
https://www.google.com -> Google
https://www.google.co.jp -> Google Co Jp
https://mail.google.com -> Mail Google