RegionFilter is a basic jquery plugin to work with ULS
to select languages based on regions.
PS2: Added a css class for elements with regionfilter.
Used it for visual indication of selection. Plus some
clean up.
Change-Id: Ib01b4077435f98665075310e285e68f8538eeb4e
* uses setlang attribute in URL to switch language
* introduced a language filter widget by extending
jquery.ui.autocomplete
* UI rendering is done by using SkinAfterContent hook
Change-Id: Ifa63a04ba1d060b6db8fba14bb868045cf6b97c3