A bit of everything. Balance adjustments, interface improvements, new art assets, new character names, bug fixes, etc.

- [feature] Ethnics for characters (different name themes). Now characters can have different flavours of names.

- [balance] Slightly increased the effect of Fleet budget (finances).
- [balance] Doubled trade income.

- [misc] All fleets start with default squadron composition (to avoid confusion).

- [interface] Added tonnage per squadron (and projected tonnage) to Shipyard tonnage tooltip.
- [interface] More art assets for character portraits (hair and beard styles).

- [fix] Sometimes sound not playing on game logo screen.
- [fix] Autonomous fleet sometimes ignoring cancel conquest order.