Customizing Jazz Web UI

I would like to customize the Jazz Web UI.

The usage scenario is that my external customer / user of my SW would have access to Jazz Web UI but I would not necessarily open each and every information to the external world.

Based on a user's role the Jazz Web UI should be customizeable, i.e. omitting the "Source Control" tab ore

The scenario might be even applicable within a corporation where the development team members have access but other users do not.

Is this possible today ? / Planned feature ?

Thanks :)