Rethink legislators' bill-listing interface

[waldoj]

Right now, there are a series of tabs at the top of each legislator's list of bills:

For longer-serving legislators, we run out of room, so I've had to switch them to this:

I've bought a bit of time with this, but that's it. Figure out a different way to list prior years' legislation, either for legislators who have been around for a while or, better, for everybody.

[waldoj]

This issue isn't about implementing this solution, just figuring out the UI.