Updated mediawiki/extensions
Project: mediawiki/extensions/MultimediaViewer  76d40a018967d01cf3dbeea135b7f216cf17f8ff

Change "Created on X" and "Uploaded on X" to "Created: X" etc.

Based on enwiki feedback by Jonesey95: "Created on…" does not work
well when the date is not a day (and we have dates like "1992" or
"circa 1400"). "Created: …" works reasonably well for everything.

Same for "Uploaded on…".

Change-Id: I46b51880be2151a467ccb90a76dde6efc5991cd5
Updated mediawiki/extensions
Project: mediawiki/extensions/TwitterCards  296c2b6f7ba1fcde07433935795a2e2d5d265fd5

Add OpenGraph support

Adds $wgTwitterCardsPreferOG to control using OpenGraph fallbacks
whenever possible (<https://dev.twitter.com/docs/cards/markup-
reference>).

For code clarity, the hook function was moved into its own file.

Change-Id: I585e8ee78007f7c5854fd06dbcfabd02271f6ab4