Merge pull request #213 from bingfenglai/master

Correct parameter naming

Author: LyricTian

manage.go

@@ -31,7 +31,7 @@ type Manager interface {
 	GenerateAuthToken(ctx context.Context, rt ResponseType, tgr *TokenGenerateRequest) (authToken TokenInfo, err error)
 
 	// generate the access token
-	GenerateAccessToken(ctx context.Context, rt GrantType, tgr *TokenGenerateRequest) (accessToken TokenInfo, err error)
+	GenerateAccessToken(ctx context.Context, gt GrantType, tgr *TokenGenerateRequest) (accessToken TokenInfo, err error)
 
 	// refreshing an access token
 	RefreshAccessToken(ctx context.Context, tgr *TokenGenerateRequest) (accessToken TokenInfo, err error)