Updated mediawiki/extensions
Project: mediawiki/extensions/Mantle  42c3360f8edd91f0e3aa6352289ced71e7b27d23

OOjs: Use OO for class inheritance

Update extend() wrapper.
Update jshintrc file

Dependency:  I8cfd49f2fec4fb23bfcc5a707cf3f5742a3ed268
Change-Id: I3262d3bbe71b9b8e7dda5650727721db818c3ad4