Merge pull request #12 from echohead/get_vm_ip

Add get-vm-ip tool.
Bump bootstrap memory to 1.5G

Current devstack uses 800MB immediately, and grows with usage.
Merge pull request #11 from echohead/deps

Add a script to set up dependencies:
adding more images

adding more images in their original format (.dia and .odp)
and removing the generated .svg files.
add automation for building a tripleo setup:

- build and boot a bootstrap node
- do deployments of heat stacks onto 'baremetal' vms.
fix ssh key issue with the cloud-init script:

use default ssh key path of id_rsa.
automation.md discusses running in a cloud vm.
be clear which params are requred in tripleorc.
install python-numpy and python-lxml from bin pkg.
exit with error if user is not in group livirtd.
grab devstack creds, run heat on host.
throw an error if the user hasn't entered settings
snapshot fresh devstack, better logging, squash me.
Replace non-existant 'log_info' with 'echo'.