fs: make 'fs.exists' follow the error first callback convention
Make fs.exists
follow the typical error first callback convention (nodeback-style) without breaking backward compatibility with single boolean argument callbacks.
Ref: #1592 (closed)
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Make fs.exists
follow the typical error first callback convention (nodeback-style) without breaking backward compatibility with single boolean argument callbacks.
Ref: #1592 (closed)