Added example scripts directory

src/scripts/examples/signature_scan.py

+#!/usr/bin/env python
+
+import sys
+import binwalk
+
+try:
+	for module in binwalk.Modules().execute(*sys.argv[1:], signature=True, quiet=True):
+		print ("%s Results:" % module.name)
+		for result in module.results:
+			print ("\t%s    0x%.8X    %s" % (result.file.name, result.offset, result.description))
+except binwalk.ModuleException as e:
+	pass