Refactor based on golint
Refactor based on golint

nkovacs/gorm,lscieux/gorm,lscieux/gorm,jinzhu/gorm,jaytaylor/gorm,nkovacs/gorm,sunfmin/gorm,ngorm/ngorm,jinzhu/gorm,sunfmin/gorm,jaytaylor/gorm,ModelRocket/gorm,ulule/gorm,gernest/ngorm,ModelRocket/gorm,ulule/gorm