Misc.

- Moved private networks to 10.10
- Enabling neutron by default.
- Fixed typo on OVS_ENABLE_TUNNELING value.
Removed an extra '-'
Moved to private network and support apt config

- Now setting up a private host-only network to allow for a predictable IP address.
- Moved devstack to eth1 to match the switch to the private network.
- Added a template to allow for some limited apt config. Mainly to allow for disabling the pipeline by setting pipeline depth.
- Removed unneeded port fwd. from the hosts file.
Added support for heat, mostly when targeting havana where isn't a default.
Merge branch 'master' into coderfaire

Conflicts:
	devstacked-hosts.yml
	roles/devstack/templates/local.conf.j2