[SEBA-366], [SEBA-378]

Fix issues with XOS logging
- Pass logging object as parameter in various places, adding structured
  context.
- Update multistructlog to print level and timestamp on messages, and
  fix issue with unprinted messages in synchronizer event loop.

Change-Id: I92c67b4f1266d80bdd86d45c8c99585b286ac059
diff --git a/VERSION b/VERSION
index 26412a8..a0b09d3 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.1.24
+2.1.25