Add dict comparison function to salt.utils
Fix refs to old pkg_resource.pack_pkgs
Add ip.get_default_gateway
Add windows network state module
Remove find_changes function

The functionality that this provides has been moved to
salt.utils.compare_dicts.
Restrict linux network state to non-windows minions

Added a __virtual__ function
Fix virtualname for network states

I had mistakenly set them to 'ip' when they should have been 'network'
Improve error reporting for windows network state

Also general bugfixes from testing.
Add windows network state to docs
Flesh out docstring for windows network state