Major update of jquery.ime from upstream

Changes:
* New tilde-based layouts for several languages of Africa:
  Kabyle, Kabiye, Kikuyu, Luganda, Lingala, Malagasy,
  Northern Sotho, Koyraboro Senni, Sango, Sotho, Venda
* Latin Pinyin transliteration keyboard
  https://github.com/wikimedia/jquery.ime/pull/545
* CSS and JS cleanup, to switch to stylelint and eslint.

Updating to
22407cf992

Bug: T212637
Change-Id: I167e572a6cc0f7c1c727e87e8ff361d88f87b40f

lib/jquery.ime/rules/st/st-tilde.js

@@ -0,0 +1,22 @@
+( function ( $ ) {
+	'use strict';
+
+	var stTilde = {
+		id: 'st-tilde',
+		name: 'st-tilde',
+		description: 'Sotho tilde keyboard',
+		date: '2019-03-28',
+		URL: 'https://github.com/wikimedia/jquery.ime',
+		author: 'Amir E. Aharoni',
+		license: 'GPLv3',
+		version: '1.0',
+		patterns: [
+			[ '~S', 'Š' ],
+			[ '~s', 'š' ],
+			[ '~\\\\', '\u0300' ], // Combining grave
+			[ '~\\-', '\u0304' ] // Combining macron
+		]
+	};
+
+	$.ime.register( stTilde );
+}( jQuery ) );