If you head on over to the public store and load the latest rev of Tools-Refactoring Browser. You may get an exception while loading (this is development code) - just open the debugger on the exception and hit the "Run" button. It will load fine.

Then open a new browser, you'll see this:

Scroll down, and you'll see that the RB has entered the current century - links that will launch a browser:

It's not specific to the "Overview" pane - links in comments will also be clickable (etc). Hat tip to Travis and Michael, with help from Bob W!