Update git submodules

* Update ChronoSync from branch 'master'
  to 5188f31d501ada82022e14496529b82c97190e0f
  - ci: update .travis.yml and jenkins scripts
    
    Change-Id: I22034ef33a13910e2a5639deec4a5609b5a6ad99
    
diff --git a/ChronoSync b/ChronoSync
index 0d837e3..5188f31 160000
--- a/ChronoSync
+++ b/ChronoSync
@@ -1 +1 @@
-Subproject commit 0d837e3f2adcad89730b1b7f68453a508879f4fc
+Subproject commit 5188f31d501ada82022e14496529b82c97190e0f