New features and updates

New AI realm setup view.
New player realm setup.
Realms now have selectable/random starting scenario.
Most of the game data is now stored in JSON files.
Space races are now based on traits.
Governments are now based on traits.
Each space race should be more balanced.
Each government should be more balanced.
Planets have more features.
Planets have temperature which tells how suitable planet is for certain space race.
Planets have humidity which tells how much food planet can produce automatically
Planets have gravity depending on planet size, larger planets have high gravity.
There are four radiation levels: No radiation, Low, High and Very high radiation.
Some of the space race features are now moved to government traits like armed freighters.
Planets may have statuses which can be found during colonization or be even timed.
There can be multiple statuses on planet.
All speeches are now in JSON files.
When viewing uncolonized planets, if it is not colonizable there is textual reason.
Alonian space race is no longer. It's main feature is now as a starting scenario available for each space race.

Bugfixes

Realm wide espionage is now called intelligence. Commander doing espionage on planets is called espionage.
Fleet commander did not gains statistics for finding planets.
Fleet commander did not get experience by finding planets.
Ruler got too easily negotiator perk when doing diplomatic trades.
Fleet commander did not gains statistics for trading.