python-lxc: minor fixes to __init__.py

Set a base class for the network object and set the encoding in the
header. Neither of those changes are required for python3 but they do
make it easier for anyone trying to make a python2 binding.

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>

src/python-lxc/lxc/__init__.py

@@ -1,4 +1,5 @@
 #
+# -*- coding: utf-8 -*-
 # python-lxc: Python bindings for LXC
 #
 # (C) Copyright Canonical Ltd. 2012
@@ -32,7 +33,7 @@
 version = _lxc.get_version()
 
 
-class ContainerNetwork():
+class ContainerNetwork(object):
     props = {}
 
     def __init__(self, container, index):