Add some new api of preference.

rest/preference_model.go

@@ -0,0 +1,15 @@
+package rest
+
+type Preference struct {
+	Base
+	Name        string `json:"name"`
+	LogoUrl     string `json:"logoUrl"`
+	FaviconUrl  string `json:"faviconUrl"`
+	FooterLine1 string `json:"footerLine1"`
+	FooterLine2 string `json:"footerLine2"`
+}
+
+// set File's table name to be `profiles`
+func (Preference) TableName() string {
+	return TABLE_PREFIX + "preference"
+}