Replace trust with history

Trust was currency, history is specific benefits that exist between characters. They take the form of bond-type statements but instead of providing a generic bonus each has a specific bonus.
Rewrite doctor history just a bit.
Add setups to settings.

This is a major move to the idea of 'settings' as described in the intro. Careers + setups = settings. For now, the one included setting is all in one file. TODO: move each career and setup to it's own file to allow mixing and matching.
Restyle navigation

Better looking lists! Setups and careers now borken our separately!
Massive move to new Bootstrap-based layout

Yay columns! Bootstrap seems to be the best option for a simple column-based layout, so this moves over to that.