Install all the templates, please

Fixes a totally broken package that just goes

    $ sudo pov-update-server-page
    Traceback (most recent call last):
      File "/usr/sbin/pov-update-server-page", line 544, in <module>
        main()
      File "/usr/sbin/pov-update-server-page", line 536, in main
        builder.build(verbose=opts.verbose)
      File "/usr/sbin/pov-update-server-page", line 494, in build
        subbuilder.build(filename, self)
      File "/usr/sbin/pov-update-server-page", line 216, in build
        template = builder.lookup.get_template(self.template_name)
      File "/usr/lib/python2.7/dist-packages/mako/lookup.py", line 248, in get_template
        "Cant locate template for uri %r" % uri)
    mako.exceptions.TopLevelLookupException: Cant locate template for uri 'ssh.html.in'
'make vagrant-test-install' shouldn't stop in the middle
Make 'make vagrant-test-install' run it too