[VOL-2694] Use package specific logger instance in all log statements

Change-Id: Icf1cb5ade42e42179aed7731b767af2f52481e3d
diff --git a/db/model/branch.go b/db/model/branch.go
index 675c45d..17d9ece 100644
--- a/db/model/branch.go
+++ b/db/model/branch.go
@@ -90,7 +90,7 @@
 	defer b.mutex.Unlock()
 
 	if b.Latest != nil {
-		log.Debugw("updating-latest-revision", log.Fields{"current": b.Latest.GetHash(), "new": latest.GetHash()})
+		logger.Debugw("updating-latest-revision", log.Fields{"current": b.Latest.GetHash(), "new": latest.GetHash()})
 
 		// Go through list of children names in current revision and new revision
 		// and then compare the resulting outputs to ensure that we have not lost any entries.
@@ -99,20 +99,20 @@
 			var previousNames, latestNames, missingNames []string
 
 			if previousNames = b.retrieveChildrenNames(b.Latest); len(previousNames) > 0 {
-				log.Debugw("children-of-previous-revision", log.Fields{"hash": b.Latest.GetHash(), "names": previousNames})
+				logger.Debugw("children-of-previous-revision", log.Fields{"hash": b.Latest.GetHash(), "names": previousNames})
 			}
 
 			if latestNames = b.retrieveChildrenNames(b.Latest); len(latestNames) > 0 {
-				log.Debugw("children-of-latest-revision", log.Fields{"hash": latest.GetHash(), "names": latestNames})
+				logger.Debugw("children-of-latest-revision", log.Fields{"hash": latest.GetHash(), "names": latestNames})
 			}
 
 			if missingNames = b.findMissingChildrenNames(previousNames, latestNames); len(missingNames) > 0 {
-				log.Debugw("children-missing-in-latest-revision", log.Fields{"hash": latest.GetHash(), "names": missingNames})
+				logger.Debugw("children-missing-in-latest-revision", log.Fields{"hash": latest.GetHash(), "names": missingNames})
 			}
 		}
 
 	} else {
-		log.Debugw("setting-latest-revision", log.Fields{"new": latest.GetHash()})
+		logger.Debugw("setting-latest-revision", log.Fields{"new": latest.GetHash()})
 	}
 
 	b.Latest = latest