[VOL-3141] Enhance Context with OpenTracing Span

Change-Id: I966e235ec5fcb70812f75b98a97aa65dba8c04a2
diff --git a/VERSION b/VERSION
index f225a78..0faf113 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.5.2
+2.5.3-dev