validator: integrate validator-config

Validation of interest is done. Validation of data will be implemented in future commit.

Change-Id: I2c03172c6e0dfa9ec0c6cffa59999ecb30030243
refs #1479
diff --git a/src/main.cpp b/src/main.cpp
index e69c32d..999b7b8 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -82,6 +82,8 @@
     signalSet.async_wait(bind(&terminate, boost::ref(ioService), _1, _2,
                               boost::ref(signalSet)));
 
+    repoInstance.enableValidation();
+
     repoInstance.enableListening();
 
     ioService.run();