Anime Ratings

Adds MyAnimeList ratings to corresponding Wikipedia pages and Wikipedia anime lists.

You can test it by visiting this link:
http://en.wikipedia.org/wiki/Category:2013_anime_television_series

*** Suggestions are welcome! ***

Version history:

Version 35,36
* Fix authentication

Version 33 & 34
* Slow down the request rate in order to avoid triggering MyAnimeList's anti-flooding mechanisms

Version 30, 31 & 32
* MyAnimeList now uses https. Updated the links in my code and in the manifest.
* If many requests are failing then we slow down our request rate. (Exponential backoff.)

Version 28
* Reduce number of simultaneous connections to 2.

Version 27
* Wikipedia now uses https. Updated the url matcher accordingly.

Version 24
* The application no longer worked when localStorage was full. This is now fixed.
* Don't hide the "No results returned." anymore.

Version 23
* Support for different kinds of category pages.

Version 22
* Fix year filter.

Version 21
* Functionality was broken after Wikipedia changed URL structure from "Category:Anime_of_*" into "Category:*_anime". This is now fixed.

Version 20
* Required version bump to fix "invalid manifest file".

Version 19
* Additional logging.

Version 18
* Fix bug where the info box on individual pages was filled with non-related links.

Version 16 & 17
* Nothing. I had issues while trying to upload a new version.

Version 15:
* Reduce logging.

Version 14:
* Improve search results for 2010 and 2011 anime list.
* Dynamic updating of search term mappings.
* Local caches expire after one week.

Version 13:
* Improve search results by leaving out exclamation marks from the title.

Version 12:
* Fix bug where sometimes the anime ratings info box was inserted in the table of contents instead of before the first paragraph.

Version 11:
* Info box now has a Show/Hide button.
* Info box is not displayed if no results were returned.
* Updated info box style.

Version 10:
* Add option to configure the visibility and highlight tresholds on year lists.

Version 9:
* Fix bug where a non-anime Wikipedia was sometimes detected as anime.

Version 8:
* Fix manga URLs in the info box.

Version 7:
* Info box now shows both anime and manga results.
* Info box shows year intervals.

Version 6:
* Show info box in the main pages.
* Only show item in year list if the year matches.

Version 5:
* Only highlight if year matches and score >= 8/10.
* Fix layouting bug.

Version 4:
* Faster thanks to simultaneous HTTP requests.
* Fix rendering issues.
* Improve search results.

Version 3:
* Also support manga pages.

Version 2
* Add caching (localStorage).

Version 1
* Initial version.