VOL-1577 - General cleanup (gofmt, go vet, go test, dep check)

Change-Id: I536b2746b8bd266f3e75aeccc65bfe7468f1b44a
diff --git a/db/model/root.go b/db/model/root.go
index 7a29c0b..338ef67 100644
--- a/db/model/root.go
+++ b/db/model/root.go
@@ -181,7 +181,6 @@
 	r.Proxy.ParentNode.Latest(txid).Finalize(false)
 }
 
-
 // Update modifies the content of an object at a given path with the provided data
 func (r *root) Update(path string, data interface{}, strict bool, txid string, makeBranch MakeBranchFunction) Revision {
 	var result Revision
@@ -310,6 +309,6 @@
 }
 
 type rootData struct {
-	Latest string            `json:latest`
-	Tags   map[string]string `json:tags`
-}
\ No newline at end of file
+	Latest string            `json:"latest"`
+	Tags   map[string]string `json:"tags"`
+}