Use specific version of ODL base box
Use specific version of ODL base box

Change the pure Vagrant base box def to use a specific box version.

This one uses ODL Li SR4.

Signed-off-by: Daniel Farrell <65eaad88897e615d9128b5e890b98414aac720cc@redhat.com>

dfarrell07/vagrant-opendaylight,dfarrell07/vagrant-opendaylight