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/si/si-singlish.js

@@ -13,7 +13,7 @@
 		contextLength: 5,
 		maxKeyLength: 5,
 		patterns: [
-			// ['ඬ්හ්a', 'ඳ'],	// nndha
+			// ['ඬ්හ්a', 'ඳ'], // nndha
 			[ 'ඬ්h', 'ඳ්' ], // nndh
 			[ 'න්න්d', 'ඬ්' ], // nnd
 			[ 'න්න්g', 'ඟ්' ],// nng