mixer simple basic abstraction - added python binding

reasons:
- rapid development
- class-like code structure
- more readable code
features:
- hcontrol binding is managed from python (opportunity to create
  virtual mixer without driver or join multiple cards to behave as one)

modules/mixer/simple/python/main.py

@@ -0,0 +1,24 @@
+#!/usr/bin/python
+#  -*- coding: utf-8 -*-
+#  -*- Python -*-
+
+from os.path import dirname
+from pyalsa.alsacontrol import Control
+from sys import path
+path.insert(0, dirname(__file__))
+
+def alsacode(module):
+  execfile(dirname(__file__)+'/'+module+'.py', globals())
+  
+ctl = Control(device)
+info = ctl.cardInfo()
+#mixername = info['mixername']
+components = info['components']
+del ctl
+
+if components.find('HDA:') >= 0:
+  module = 'hda'
+else:
+  raise ValueError, "Mixer for this hardware is not implemented in python"
+
+alsacode(module)