svn.wikimedia.org to use own cert, not wildcard

svn.w.o is changing from using the wildcard certificate, to just using
its own certificate.  This change includes the vhost changes, as well as
the certificate file/chain declaration and site.pp change to install
cert on antimony.

Change-Id: Ic05a7fef341ab3f81412851c9f8ba1bd567d864e
RT: 6703
Merge "svn.wikimedia.org to use own cert, not wildcard" into production