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

store/sql_user_store_test.go

@@ -1103,7 +1103,7 @@ func TestUserStoreGetRecentlyActiveUsersForTeam(t *testing.T) {
 	u1 := &model.User{}
 	u1.Email = model.NewId()
 	Must(store.User().Save(u1))
-	Must(store.Status().SaveOrUpdate(&model.Status{u1.Id, model.STATUS_ONLINE, false, model.GetMillis(), ""}))
+	Must(store.Status().SaveOrUpdate(&model.Status{UserId: u1.Id, Status: model.STATUS_ONLINE, Manual: false, LastActivityAt: model.GetMillis(), ActiveChannel: ""}))
 	tid := model.NewId()
 	Must(store.Team().SaveMember(&model.TeamMember{TeamId: tid, UserId: u1.Id}))