Validates compatibility for Wandering Nobles (CK3 1.14.0.1)

Fix the Unite the East Slavs decision

Update for Roads to Power. Minor fixes for new decision grouping and adventurers, but no other changes.

Updated for Legends of the Dead, the mod is simply checked against the latest version and marked as compatible. I'm currently investigating how to better include Legends in the mod.

Mark as compatible for CKIII Peacock (version 1.11.*)

Simple version requirement update for Fate of Iberia.
Everything appears to be working fine.

RELEASE 1.0.1

Simple fixes and tweaks to fit in with modifications brought by the version of the game 1.5.1
- forwarded changes from 1.5.1
- fixed some guy still being russian and having no dynasty
- reduce the announcement to players that the russian culture has been promotted to people within diplo range