实现JavaFX应用程序自动更新特性

I'm about to write a new cross platform application, and I choosed JavaFX, mainly because of its rich UI libraries (both standard and third party) and it native data binding feature. My application will be deployed via native packaging, both because the lack of PPAPI Java plugin (Chrome will discontinue NPAPI in Chrome 42, which is in beta now) that would prevent an user with Chrome to use WebStart, and because a more "classic" user experience, so WebStart and automatic updates are off the table.I'm about to write a new cross platform applica