Fix bug #134: head vcs links broken
Fix bug #134: head vcs links broken

The rel=vcs-* microformat http://joeyh.name/rfc/rel-vcs/ specifies
that the link relation is "vcs-" + $typeOfVersioncontrol, which means
"vcs-git" for gitorious - no matter what transport.

spencerwp/mainline,ericbutters/eric-gitorious,rae/gitorious-mainline,ericbutters/eric-gitorious,deld/gitorious,SamuelMoraesF/Gitorious,SamuelMoraesF/Gitorious,Gitorious-backup/mainline,spencerwp/mainline,tigefa4u/gitorious-mainline,spencerwp/mainline,rae/gitorious-mainline,elcom/gitorious,Gitorious-backup/mainline,gitorious/mainline,SamuelMoraesF/Gitorious,tigefa4u/gitorious-mainline,gitorious/mainline,tigefa4u/gitorious-mainline,gitorious/mainline,ericbutters/eric-gitorious,Gitorious-backup/mainline,deld/gitorious,rae/gitorious-mainline,gitorious/mainline,spencerwp/mainline,elcom/gitorious,elcom/gitorious,deld/gitorious,elcom/gitorious,tigefa4u/gitorious-mainline,Gitorious-backup/mainline,SamuelMoraesF/Gitorious,rae/gitorious-mainline