Force newer jinja2 in ipsilon-server-install and -upgrade-database
The main ipsilon server already requires a minimum version of jinja2 so
that it works on older OSes like EL6. The -server-install and
-upgrade-database scripts need it too.
Merges: #161
Signed-off-by: Howard Johnson <merlin@merlinthp.org>
Reviewed-by: Patrick Uiterwijk <puiterwijk@redhat.com>