Add freeze.py for bbfreeze packaging

This simple script allows a user to make a binary distributable salt
system. Execute it in a system with salt already installed and a
platform specific group of all of the deps needed by Salt is created.

pkg/freeze/freeze.py

@@ -0,0 +1,13 @@
+#!/usr/bin/env python
+
+from bbfreeze import Freezer
+
+includes = ['zmq', 'zmq.utils.strtypes', 'zmq.utils.jsonapi']
+excludes = ['Tkinter', 'tcl', 'Tkconstants']
+
+fre = Freezer(distdir="bb_salt", includes=includes, excludes=excludes)
+fre.addScript('/usr/bin/salt-minion')
+fre.use_compression = 0
+fre.include_py = True
+fre()
+