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.
Merge pull request #303 from jhall11/pingall

Add a timeout parameter to the pingAll command
IVSSwitch: support batch shutdown

Not a single command like the OVS one, but it still greatly decreases the
shutdown time.

This does assume that stop() is called after batchShutdown(), which is true in
the current mininet code.
net: allow batch shutdown of multiple types of switches

Each switch class will be called to shutdown its own instances.
IVSSwitch: add an option to control the --verbose flag
Merge pull request #309 from rlane/ivs-batch-shutdown

support batch shutdown for IVS
Merge pull request #310 from rlane/ivs-verbose

IVSSwitch: add an option to control the --verbose flag
Merge remote-tracking branch 'origin/master' into new