Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  6bafe433953fd0235d597bdb72b4cab7b337c6c4

Reply textarea fixes

* Adding padding to textarea causes the resize grabber & scrollbar in FF to be
  positioned badly
* Include textarea padding in setting textarea height for auto-expand
* Removed unused class "flow-input"

Change-Id: Ibb09409ece4cde43da587339f0390554bd63e883