Massive rework of cultural traditions and ethos.

Updated for compatibility with new patch

Bugfix to martial offset. The maintenance reduction was at x10 intended value. This drastically penalized low-martial rulers while rendering armies nearly free for high-martial.

Bugfixes based on error log report.

Changed cultural conversion to proceed faster if there is high cultural acceptance. It's easier to convert cultures that feel you are less alien to them.

Updated for compatibility with 1.14.

Reverted changes to archer terrain advantages, after a pm discussion talking about ideal terrain for various types of combat.

Made children die in childbirth more often, before they are created as a character.

Lowered damage from advantage from 10% per point to 4% per point. We'll continue to monitor this closely.

Tweaked artifact decay rates when equipped, no longer double.

Bugfix.

Updated to be compatible with 1.13.

Lowered stress gain for unlanded characters, since they have less ability to shed stress as well.