Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  defe373458858615a27b30f7dacca3b7d3a46490

Apply new watch star and talk assets

Tweak css on talk page so label aligns with center (accounts for
bubble tail)

Change-Id: Ia486cb163722fe594c55451a3b1d37bf9635f602