beego support new version session

@@ -191,14 +191,19 @@ func Run() {
 	}
 
 	if SessionOn {
+		sessionConfig := AppConfig.String("sessionConfig")
+		if sessionConfig == "" {
+			sessionConfig = `{"cookieName":` + SessionName + `,` +
+				`"gclifetime":` + SessionGCMaxLifetime + `,` +
+				`"providerConfig":` + SessionSavePath + `,` +
+				`"secure":` + HttpTLS + `,` +
+				`"sessionIDHashFunc":` + SessionHashFunc + `,` +
+				`"sessionIDHashKey":` + SessionHashKey + `,` +
+				`"enableSetCookie":` + SessionAutoSetCookie + `,` +
+				`"cookieLifeTime":` + SessionCookieLifeTime + `,}`
+		}
 		GlobalSessions, _ = session.NewManager(SessionProvider,
-			SessionName,
-			SessionGCMaxLifetime,
-			SessionSavePath,
-			HttpTLS,
-			SessionHashFunc,
-			SessionHashKey,
-			SessionCookieLifeTime)
+			sessionConfig)
 		go GlobalSessions.GC()
 	}
 

@@ -40,6 +40,7 @@ var (
 	SessionHashFunc        string           // session hash generation func.
 	SessionHashKey         string           // session hash salt string.
 	SessionCookieLifeTime  int              // the life time of session id in cookie.
+	SessionAutoSetCookie   bool             // auto setcookie
 	UseFcgi                bool
 	MaxMemory              int64
 	EnableGzip             bool // flag of enable gzip
@@ -96,6 +97,7 @@ func init() {
 	SessionHashFunc = "sha1"
 	SessionHashKey = "beegoserversessionkey"
 	SessionCookieLifeTime = 0 //set cookie default is the brower life
+	SessionAutoSetCookie = true
 
 	UseFcgi = false