Resize the ubuntu/xenial64 vagrant box to 55GB, recreate box file
Resize the ubuntu/xenial64 vagrant box to 55GB, recreate box file

* Make a variant of the make55gb-trusty64-vagrant-box script that
  works with the latest Ubuntu LTS release box from the Hashicorp Atlas.

keithel/unorganized-scripts,keithel/unorganized-scripts,keithel/unorganized-scripts