Updated mediawiki/extensions
Project: mediawiki/extensions/VisualEditor  8de944d9f390bd9522030151e980589987f341d7

Adapt beta features icons for RTL

Split the current icons to rtl and ltr versions.

Rename all the current mentions of beta icons to ltr and rtl,
even those that don't yet exist or are commented out.

Change-Id: I96be20515cc9d84d2d71ac7e65d97d72d96636b0