new mw release 1.23wmf12

Change-Id: I233b229b45a1c2d3d450469b7cd3a70564814d11
New GWToolest namespace for commons

Change-Id: Ic6cf0d3c61d72a3cc19c23313de231f6000d4a02
update language_by_size

Change-Id: Ie451a7826fddd3a6bc1248bc0a3b72e4a700d4c7