Adding go vet from hack-a-thon (#5328)

* Adding go vet to the api package

* Adding go vet to app package

* Adding go vet to manualtesting package

* Adding go vet to the model package

* Adding go vet to the store dir

* Adding go vet to utils package

* Adding missing dirs with go files

* Fixing up makefile

* Fixing up makefile

* Removing root dir

model/job.go

@@ -14,8 +14,8 @@ type ScheduledTask struct {
 	Name      string        `json:"name"`
 	Interval  time.Duration `json:"interval"`
 	Recurring bool          `json:"recurring"`
-	function  TaskFunc      `json:",omitempty"`
-	timer     *time.Timer   `json:",omitempty"`
+	function  TaskFunc
+	timer     *time.Timer
 }
 
 var tasks = make(map[string]*ScheduledTask)