* Music is now in/functioning. Music slider in options.
* Added a Controls Help menu and button to access it
* Significantly curbed CPU boldness with Flagship for skirmish maps
* Cities now initialize to slightly different sizes and have names
* Several CPU opponent logic improvements, largely in Skirmish mode/regarding cities.
Balance:
* Plane Damage vs Flagships reduced to 3
* Default City Growth set to 2
Minor:
* Fixed minor display bugs with city view built buildings, upgrades, queues, etc.
* Changed city hp read-out to be "hp/max" rather than "hp / highest size"
* CPU now prefers 'bullying' with armored ships much more highly
* CPU now vastly prefers using depth charges over other actions
* CPU will now fill out additional building slots over time
* Fixed a bug where the CPU often inflated the threat value of wounded units.
* Cannon turrets turn a bit slower for animation purposes
* Improved look of bullets/fireballs
