Update jquery.uls from upstream

Upstream: https://github.com/wikimedia/jquery.uls
Changes:
* Reduce data size of uls language data a bit by using unescaped unicode
* Move the autonym font to example instead of making part of jquery.uls
* Use attr and prop consistently in jquery.uls.lcd.js
* Remove unnecessary object instance from jquery.uls.lcd.js
* Avoid 'recalculate style' by changing classes conditionally while
scrolling the language list
* Remove non-existing "-ms-linear-gradient"
* Localisation updates

Change-Id: I10b8658e29c03b136b4475c4c69ace33e5628a98