Skeleton extension for Universal Language Selector

* Basic extension code with i18n
* Adds a link to personal links to trigger ULS
* Core uls javascript code, to plug to the given trigger.
* Qunit, PHPUnit framework in place.
* and lot of TODOs and FIXMEs

Patch set 2:
* A tiny whitespace fix.

Change-Id: I300647a21e0b7f65b7d9dc6101014ea9389c9f2a

resources/ext.uls.init.js

@@ -0,0 +1,14 @@
+/**
+ * ULS startup script
+ */
+( function( $ ) {
+	$( document ).ready( function() {
+		/* Create a trigger somewhere in the page.
+		$trigger = $("<a href='#'>")
+			.addClass( 'uls-trigger' )
+			.text("English"); // FIXME proper trigger text to go here.
+		$('#mw-head').append( $trigger );*/
+		// Bind ULS to the trigger.
+		$('.uls-trigger').uls();
+	} );
+} )( jQuery );