Added IPv6 support for -I / -E.

* added another Python search path and try-catch ModuleNotFoundError again
 * run_tests.sh checks for OpenBSD netcat (required for -q)

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>

examples/py-json-stdout/json-stdout.py

@@ -3,6 +3,7 @@
 import os
 import sys
 
+sys.path.append(os.path.dirname(sys.argv[0]) + '/../share/nDPId')
 sys.path.append(os.path.dirname(sys.argv[0]) + '/../usr/share/nDPId')
 try:
     import nDPIsrvd