Releasing 1.4.1 for VOLTHA-2.6

Change-Id: I208b9f58e117aceffabf5a34ba6bd327cd363e35
diff --git a/VERSION b/VERSION
index feb40e5..347f583 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.4.1-dev
+1.4.1