Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  21ba6559ae7dc1d8be72abe302293ce2294ce6d7

nojs thanks support

Inserts standard non-javascript thanks support.   The thanks
extension injects extra javascript itself which handles progressive
enhancement of these anchors including handling state on reload.

Depends on I8ae14352f1b177446f3696ffadd6921a5125238e for javascript
support.

Change-Id: Ib72a9c7bf5868ab880188af37941e9f46df75b7d