partly revert changes r11303 and fix Family.langs;
update language_by_size

Change-Id: Iabda9d5e3bd270d4bf7200e38ee958f48329b6b2
enable tyv site for wikipedia family:
update language_by_size
update interwiki sorting orders
update namespaces aliases

Change-Id: I49323913341dd6b009555031d91620eed9fe2d8f
update language_by_size

Change-Id: Iefc681b6b5f1b0a91c71aa7f3aa64a7a67e59f3b
Merge changes Iefc681b6,I49323913,Iabda9d5e

* changes:
  update language_by_size
  enable tyv site for wikipedia family: update language_by_size update interwiki sorting orders update namespaces aliases
  partly revert changes r11303 and fix Family.langs; update language_by_size