Updated mediawiki/extensions
Project: mediawiki/extensions/AddThis  3802e95b37ec4007402570f90f7ab8fffaf560b4

Replacing deprecated wfMsg* functions.

Replace deprecated wfMsg* functions with wfMessage.
Fixed escaped.

Change-Id: Ic90ec208d6fbe882b7482420dd8996639348f189
Signed-off-by: Bill Traynor <btraynor@gmail.com>