[SEBA-154] Have fabric Dockerfile use master so KafkaLogHandler is included

Change-Id: I5741dc12af6cbd3d6bb769ead5919404a2c0ea1c
diff --git a/Dockerfile.synchronizer b/Dockerfile.synchronizer
index a3e9dd1..c2522ae 100644
--- a/Dockerfile.synchronizer
+++ b/Dockerfile.synchronizer
@@ -15,7 +15,7 @@
 # docker build -t xosproject/fabric-synchronizer:candidate -f Dockerfile.synchronizer .
 
 # xosproject/fabric-synchronizer
-FROM xosproject/xos-synchronizer-base:2.0.0
+FROM xosproject/xos-synchronizer-base:master
 
 COPY xos/synchronizer /opt/xos/synchronizers/fabric
 COPY VERSION /opt/xos/synchronizers/fabric/