Currently, create_hostnet.bat asks no less than six times for elevated
privileges (once for each network created or modified). This change adds
code that allows create_hostnet to keep the elevated privileges while
configuring networks. That is, it prompts once rather than six times.
Partial-Bug: 1312764
Implements: blueprint openstack-training-labs
Change-Id: I30f9c158c674f1e308dc14d5e2efef184b6d464b
Add a library used by osbash to generate Windows batch files that
can build a base disk and create a VM cluster with no dependency
other than VirtualBox.
Partial-Bug: 1312764
Implements: blueprint openstack-training-labs
Change-Id: I43cf5f47ac17b8292c5ce32a6849e89d1e192be3