Add dependencies for lua and openid for mediawiki

We have OpenID and Scribunto installed, but their deps aren't
puppetized.

Change-Id: Iff3209ce0fd5bf811bd3b931e4a83518448e43c0
Reviewed-on: https://review.openstack.org/27862
Reviewed-by: James E. Blair <corvus@inaugust.com>
Approved: Clark Boylan <clark.boylan@gmail.com>
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Tested-by: Jenkins