* Added a json file for unhappiness effects
* Change existing code to handle these effects
* Made a weird and unexpendable way to add unhappiness effects to the civilopedia
* Add the default unhappinesseffects to mods without the json
* Added revolts when at very low happiness
* Renamed a few often-used functions
* Added a file for uniques that are always active
* Fixed tests
* Nullifies [Food] -> Nullifies Growth
