Reverting core/ and drivers/ directories before change 15514

This reverts commit 23fb21617769f4320de93b5b1805c6ec3ca9b809.

Change-Id: I0c116f8d7195c75c7ef17f296843924d3e2a0961
diff --git a/TestON/drivers/common/api/fvtapidriver.py b/TestON/drivers/common/api/fvtapidriver.py
index c44d32d..4f20c89 100644
--- a/TestON/drivers/common/api/fvtapidriver.py
+++ b/TestON/drivers/common/api/fvtapidriver.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 """
 Created on 26-Oct-2012
-Copyright 2012 Open Networking Foundation ( ONF )
+Copyright 2012 Open Networking Foundation (ONF)
 
 Please refer questions to either the onos test mailing list at <onos-test@onosproject.org>,
 the System Testing Plans and Results wiki page at <https://wiki.onosproject.org/x/voMg>,
@@ -25,7 +25,8 @@
 
 
 fvtapidriver is the basic driver which will handle the fvtapidriver functions
-""""""
+"""
+"""
 There are two changes required in flowvisor-test framework :
 
 1. In ~/flowvisortests/tests/templatetest.py line : 15 comment 'basic_logger = None'
@@ -187,3 +188,4 @@
         #    self.logfile_handler.close()
 
         return main.TRUE
+