Updated mediawiki/extensions
Project: mediawiki/extensions/MultiMaps  49f28bc63478163aa8ea1c8025bb898c69710dab

update Leaflet to 0.7.3 (v 0.7.1)

Change-Id: Ife51e2861bb6d5f3e6c2440aad89d4b9e7a5a15e