Syncronize VisualEditor: 9ebd388..1fcc9fa

Change-Id: I417734d7598c1b58a37d7e374a93d2b669032348
Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  ce185f6c5e7bb047df8755fd89b3b5a2dcad95be

Explicitly name template languages

Flow boards have the odd property of having hogan templates
and handlebars templates.
We have some hacky code in Mantle that deals with this currently,
but let's remove this by making things explicit

See: Iab1c1a9025bd3e1e3d3a2bb5625adbdb6f7fddd2
Change-Id: Icb9352e422dc105ac769bbe0db7e5525895204c7