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/utils.go

@@ -34,14 +34,14 @@ type StringArray []string
 type EncryptStringMap map[string]string
 
 type AppError struct {
-	Id            string                 `json:"id"`
-	Message       string                 `json:"message"`               // Message to be display to the end user without debugging information
-	DetailedError string                 `json:"detailed_error"`        // Internal error string to help the developer
-	RequestId     string                 `json:"request_id,omitempty"`  // The RequestId that's also set in the header
-	StatusCode    int                    `json:"status_code,omitempty"` // The http status code
-	Where         string                 `json:"-"`                     // The function where it happened in the form of Struct.Func
-	IsOAuth       bool                   `json:"is_oauth,omitempty"`    // Whether the error is OAuth specific
-	params        map[string]interface{} `json:"-"`
+	Id            string `json:"id"`
+	Message       string `json:"message"`               // Message to be display to the end user without debugging information
+	DetailedError string `json:"detailed_error"`        // Internal error string to help the developer
+	RequestId     string `json:"request_id,omitempty"`  // The RequestId that's also set in the header
+	StatusCode    int    `json:"status_code,omitempty"` // The http status code
+	Where         string `json:"-"`                     // The function where it happened in the form of Struct.Func
+	IsOAuth       bool   `json:"is_oauth,omitempty"`    // Whether the error is OAuth specific
+	params        map[string]interface{}
 }
 
 func (er *AppError) Error() string {