changes to interface options

Nova has more than one way things can get done and I need
to figure out which one working for our env.

Adding my_ip

Lets see if adding my_ip will let me route and reach my vm's
correctly

Adding my_ip

Lets see if adding my_ip will let me route and reach my vm's
correctly

Remove gateway option

I don't know if this is needed or not. Got to love the docs

Removed flat_interface

After removing the flat_interface it appears to be working
automatically populate my_ip from public_interface
Openstack services start after reboot:

- update 'start on' statement in upstart scripts.
- use /var/lib/$svc instead of /var/run/$svc

Conflicts:
	config/etc/nova/nova.conf
sevaral improvements:

- networking is confirmed working.
- turn down chatty logs.
- single-box deployment works correctly.

Conflicts:
	config/etc/nova/nova.conf