FProxy: add JVM End of Life useralert

![eol-alert](https://cloud.githubusercontent.com/assets/199917/3667909/de118a48-120e-11e4-8f58-04bcb971578e.png)

Does this need to be careful to avoid NPEs if `system.version` is `null`? It really seems like [it shouldn't be](http://www.oracle.com/technetwork/java/javase/versioning-naming-139433.html). This is at `UserAlert.ERROR` so that it is shown outside of the alerts page.