decreased bcrypt round hash for admins to 12 for consistency with the…

… auth records

models/admin.go

@@ -48,7 +48,7 @@ func (m *Admin) SetPassword(password string) error {
 	}
 
 	// hash the password
-	hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), 13)
+	hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), 12)
 	if err != nil {
 		return err
 	}