Added a hook for J&J's canon map mod to use to help place the empire correctly when using that mod.

Gone beta.
Improvements to empire spawning script.

Fixed not being able to improve relations with fanatic militarists.
Tweaked starting Intel.

Compatibility with other contenders.

Hotfix removing a script experiment that screwed up contacts for contenders.

Increased diplomatic options.
Improved policy use.
Improved reliability of empire being spawned.
Script pass to move out reused code into scripted triggers and scripted effects.

All game_rules now consider contenders as well as default countries.