Adding NAT class
Includes automatic NAT feature (mn --nat) and addNAT convenience method for topologies
fixes #111
Adding NAT class
Includes automatic NAT feature (mn --nat) and addNAT convenience method for topologies
fixes #111
undoing gateway in net and removing addNAT helpers
adding internet / nat example
more NAT cleanup of net and topo
fixing --nat option in mn
small fixes for NAT
Do not resolve addresses
Enable batch shutdown for OVS.
Use a single ovs-vsctl command for speed/atomicity
Don't look through all interfaces if you don't need to.
Ping: packet loss should be a float
Merge pull request #293 from backb1/patch/pingloss

Ping: packet loss should be a float
Update net.py
Merge pull request #290 from backb1/patch/netstatnumeric

Netstat: do not resolve addresses
Merge pull request #286 from lantz/devel/ovsbatch

Enable batch startup/shutdown of OVS

Not perfect, but it moves us forward at least.
Added Ubuntu 14.04.
Add a timeout parameter to the pingAll command
Add ability for for OVS switch start connect to controllers using protocols other than TCP.

    net.addController( 'c0', protocol='ssl' )

This now allows OVS to connect to a controller using SSL.  The default of protocol is 'tcp'
as it currently is.
Merge pull request #305 from ggee/ovsssl

OVS switch connect to controllers using protocols other than TCP like SSL.