Fixes to avoid fragmentation in the language list

Adjustments in the language layout to make it easy to scan through
the language list and distinguish the different script groups:

* Removed the empty spacing row between groups.
* Changed the maximum number of languages in a column.
* Changed the order of script groups for better discoverability.

Change-Id: If223ae65bfec256c56d6092628b3999dfd02a119

UniversalLanguageSelector.php

@@ -122,7 +122,7 @@ $wgResourceModules['jquery.uls.data'] = array(
 );
 
 $wgResourceModules['jquery.webfonts'] = array(
-		'scripts' => 'lib/jquery.webfonts.js',
-		'localBasePath' => $dir,
-		'remoteExtPath' => 'UniversalLanguageSelector',
+	'scripts' => 'lib/jquery.webfonts.js',
+	'localBasePath' => $dir,
+	'remoteExtPath' => 'UniversalLanguageSelector',
 );