target: Update copyright ownership/year information to 2013

Update copyright ownership/year information for target-core,
loopback, iscsi-target, tcm_qla2xx, vhost and iser-target.

Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index c57d492..4aace78 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -3,7 +3,7 @@
  *
  * This file contains the Generic Target Engine Core.
  *
- * (c) Copyright 2002-2012 RisingTide Systems LLC.
+ * (c) Copyright 2002-2013 Datera, Inc.
  *
  * Nicholas A. Bellinger <nab@kernel.org>
  *