Reverting core/ and drivers/ directories before change 15514

This reverts commit 23fb21617769f4320de93b5b1805c6ec3ca9b809.

Change-Id: I0c116f8d7195c75c7ef17f296843924d3e2a0961
diff --git a/TestON/drivers/common/cli/remotetestbed/necswitchdriver.py b/TestON/drivers/common/cli/remotetestbed/necswitchdriver.py
index 9ab454d..b04b95c 100644
--- a/TestON/drivers/common/cli/remotetestbed/necswitchdriver.py
+++ b/TestON/drivers/common/cli/remotetestbed/necswitchdriver.py
@@ -1,5 +1,5 @@
 """
-Copyright 2015 Open Networking Foundation ( ONF )
+Copyright 2015 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>,
@@ -18,6 +18,7 @@
     You should have received a copy of the GNU General Public License
     along with TestON.  If not, see <http://www.gnu.org/licenses/>.
 """
+
 class NEC:
 
     def __init__( self ):