Update for 1.9 - AI should again use the Journal Entry properly

1. Added a script that automatically removes any claims added by this mod on decentralized states after a month, if there is no country colonizing the state. This is to prevent the player from just adding a bunch of claims and removing colonies to prevent anyone else from colonizing there. Note that this SHOULD only apply to claims added through this mod, and shouldn't apply to any claims that already exist at the start of the game, or that you gain through any other means. This change will apply to existing save games, but only for claims you make AFTER installing the new update.

2. Added a button to remove any claims you may have on your own colonial subjects, so that the fascism event (or any other event based on claimed states) doesn't get spammed over claims you have on your subject. Don't panic if you don't see it on game start, it should only appear when you need it. Please note that this button may not work for some total conversion mods, although the wider mod should still work fine. This should be fully compatible with existing saves.

Thank you to everyone who brought these issues to my attention! As always, please let me know if you run into any issues, with vanilla or with other mods.

Made it so the JE no longer requires the Colonialism technology to be visible, increasing compatibility with some total conversion mods. It still requires the Colonial Affairs institution, tho.

The change should apply to existing save games with this mod enabled, without breaking any saves.