Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  148f4c15e62db58d82d77d8d409171e393f4a080

Restore editor files

Those files are currently unused: I'll do some changes in a later patch. To not
obscure those changes in code review, I'll submit those seperately.

VisualEditor & WikiEditor files have been omitted, they would need maintenance
before we could consider bringing them back.

Change-Id: Ia4d814b7ea7aa3673503ddd76fe09b3dd2ac03cb