Add invirt-dns at version 0.0.15
-rw-r--r-- 925 .gitmodules
m--------- - invirt-autoinstaller
m--------- - invirt-base
m--------- - invirt-cluster-config
m--------- - invirt-console
m--------- - invirt-dev
m--------- - invirt-dhcp
m--------- - invirt-dns
m--------- - invirt-manual-config
m--------- - invirt-ssh-config
m--------- - xvm-prodconfig