Added skip message support

Emit message to stderr when skipping a test depending on verbosity
level.  Report number of tests skipped at end of test run.
diff --git a/tests/oft b/tests/oft
index c4b1491..f7b72f0 100755
--- a/tests/oft
+++ b/tests/oft
@@ -124,6 +124,8 @@
 import time
 import os
 
+import testutils
+
 try:
     import scapy.all as scapy
 except:
@@ -496,5 +498,11 @@
 if __name__ == "__main__":
     logging.info("*** TEST RUN START: " + time.asctime())
     unittest.TextTestRunner(verbosity=_verb).run(suite)
+    if testutils.skipped_test_count > 0:
+        ts = " tests"
+        if testutils.skipped_test_count == 1: ts = " test"
+        logging.info("Skipped " + str(testutils.skipped_test_count) + ts)
+        print("Skipped " + str(testutils.skipped_test_count) + ts)
     logging.info("*** TEST RUN END  : " + time.asctime())
+