tests: run only the verx tests
Add a script to generate the libvirtd TLS certs

A shell script to generate TLS certs. The commands were taken from here:

http://wiki.libvirt.org/page/TLSSetup

Make a CA cert:

    mkcert ca listincomprehension.com 3650

Make a server cert for host "einval":

    mkcert server listincomprehension.com einval

Make a client cert for host "einval":

    mkcert client listincomprehension.com einval CA ON Toronto