add degenerate comp to test case to make sure years are grouped
add a diagram of the model relationships
rename LobbyistYear to LobbyistAnnum to emphasize reports over dates
drop too verbose 'Expense' off 'Coversheet' model
rename to LobbyistStats for consistency with InterestStats
add: store address for lobbyist
refactor: scrape a year first to even out the data imported first
adjust lobbyist list to show all lobbyists
add: display lobbyist address on address pages
implement address history
add: linkify interest address history