Update git submodules

* Update ChronoSync from branch 'master'
  to dd000762d6bd631a4a1a36d23dc5d0e2574e676d
  - Prepare release 0.5.3
    
    Change-Id: I2c9ca578746cdbadebacaed10ad175923d31a5aa
    
diff --git a/ChronoSync b/ChronoSync
index c47774f..dd00076 160000
--- a/ChronoSync
+++ b/ChronoSync
@@ -1 +1 @@
-Subproject commit c47774fd954907a194239b448101acfa75ffdc09
+Subproject commit dd000762d6bd631a4a1a36d23dc5d0e2574e676d