Updated mediawiki/extensions
Project: mediawiki/extensions/EnhanceContactForm  c3e673fdd234cfc301a38972142d2c709fa8b0f8

New version, 0.6, from ShoutWiki, which is compatible with MW 1.23 and latest version of ContactPage.

Change-Id: Ib9b2dd779e02711a155352b8c9e12df5754e94ad