Librus Enhancer per p0358

Makes Librus Synergia a little less anti-human.
Gets rid of bothers and other things that hinder the user's life. It makes the login session not expire after a few minutes, and is maintained until we have the logged-in tab open. Allows you to login more easily and quickly.
A must-have for any Librus user!

Full features list:
— you can access the login page directly, without being thrown back into the main page (so you don't need to click through unintuitive menus to get there)
— prevents session expiration after very short time by refreshing it in the background as long as the tab is opened, so you don't come back to it after some time and click something only to find out you've been logged out and had to make another journey to find the login page again
— adds link to the actual login page to menus in other places, where normally you would need to click through many menus and windows to actually where you want to
— gets rid of ads, we do not pay money for the service to watch intrusive ads on it
— gives you the opportunity to save your login data for quick logins, as Librus will log you out every time you close their pages
— resolves liblink.pl hidden URLs, so that you can instantly see the actual URLs and where they lead to
— preserve the url on automatic logout so that you can continue where you left off after logging in again without manually navigating to the same place