Add a system stats widget, which in the future will be populated with all sorts of useless data.
Add a nice little picture of the EVE Gate for the system stats widget.
Added a BuildingCountTable which shows little icons and the number of those buildings on a planet.
Added instances of it to system and planet views.
Added model num_* queries for planetary buildings.
Add a number of colonized planets stat to the system stats pane, and associated model method.