Advertise Reports in rb-site's Power Pack feature list.
Advertise Reports in rb-site's Power Pack feature list.

This is a trivial change that adds the missing Reports feature to the
list of Power Pack features when installing via `rb-site.`

chipx86/reviewboard,chipx86/reviewboard,reviewboard/reviewboard,reviewboard/reviewboard,chipx86/reviewboard,reviewboard/reviewboard,reviewboard/reviewboard,chipx86/reviewboard