Updated mediawiki/extensions
Project: mediawiki/extensions/MassMessage  1a70b61fc98949e747f0112ea17fa74da5aa7534

Add $wgAllowGlobalMessaging to allow global messaging

If a user tries adding a target that is on a different site, they
will see an error message instead of the link.

Bug: 54954
Change-Id: Ia897bddb909bab700fbe69ee697f577e7e095302