Add support for Western Armenian (hyw)

Once the code has been approved, it can be added. For now, this request will be denied.

Siebrand11:55, 20 May 2017

UPDATE: Amire has submitted https://gerrit.wikimedia.org/r/#/c/407155/, should we agree merging it or not?

Liuxinyu970226 (talk)13:54, 2 February 2018