Moving version back to -dev

Change-Id: Ic28b8b646a1ee6c5877c5b689c2a777f1157db1c
diff --git a/VERSION b/VERSION
index e5f3129..b72a27c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.4.14
+2.4.15-dev