Updated the war overview peace deal to include W&W hostages exchange interface

Bugfix : remove the tooltip for hostage acceptance as it would contain a military strength comparison

Added 4 commander traits :
- Seasoned Rover
- Resolute Localist
- Relentless Pursuer
- Infiltration Specialist

- Added Art for the Espionage Lifestyle Perk unlock Alert
- Allies in a war with the player will now share intel with the player when an army of a ruler enters ally territory (both the player and the ally have to be at war against the owner of the army)
- Bonus espionage lifestyle education percentages will now show on the Lifestyle start selection screen

Fixed an issue where the soliders would show an the COA when playing the game in chinese

Some Educations will boost Espionage Lifestyle XP gain
Some Artifacts will have Espionage Lifestyle XP gain modifiers
Base Espionage Lifestyle XP gain set to 30, to compensate for the somewhat less interesting perks compared to vanilla

Allies engaged in the same wars as the player will now show their armies' count, unless they are paranoid.