Add a python script to filter out exprimental code in pyfaust and matfaust.

misc/binpkg_postinst_scripts/filter_experimental_code.py

+#!/usr/bin/env python
+
+import re, sys
+
+EXP_BLOCK_START="^(#|%) experimental block start"
+EXP_BLOCK_END="(#|%) experimental block end"
+
+if(len(sys.argv) >= 1):
+    for script in sys.argv[1:]:
+        in_exp_block = False
+        for line in open(sys.argv[1]):
+            if(not in_exp_block and re.match(EXP_BLOCK_START,
+                                             line)):
+                in_exp_block = True
+            elif(in_exp_block and re.match(EXP_BLOCK_END, line)):
+                in_exp_block = False
+            elif(not in_exp_block):
+                print(line,end='')
+