Support resource templating

Add pyc to gitignore
Add resource templating to scenario yaml
Create networking and compute resources based on
resource templating
Start adding log command to pull logs from servers
after deployment has finished
Add wait command to wait for deployment to finish
so that jenkins can then run tests interactively
Split apt packages and logging out to appease empty
cache node
Remove test_nova from cloud-init - it is in jenkins now.
Merge pull request #137 from michaeltchapman/temprb

Support resource templating