WIP InABox: replicate fminabox to all configured regions

If on box create we detect that the image isn't available in all our
regions, request they be replicated there

Author: Davis-A

lib/Synergy/Reactor/InABox.pm

@@ -262,6 +262,8 @@ async sub handle_create ($self, $event, $switches) {
       join ', ',
       grep { $snapshot_regions{$_} } $self->box_datacentres->@*;
 
+    await $self->dobby->transfer_image_to_regions($snapshot, $self->box_datacentres);
+
     if ($compatible_regions) {
       return await $event->reply(
         "I'm unable to create snapshot in region '$region'.  Available compatible regions are $compatible_regions."