Lost Cities Squared

## The Lost Cities Squared Dev-4:
* Added a bunch of closed PR's from the original Lost Cities. The orginal author's username is credited next to the change.
* Fixed train station being one block elevated
* Fixed bridges being one block elevated
* Fixed explosions leaving airblocks underwater (Windmill-City)
* Fixed Min + Max Cellars (Windmill-City)
* Fixed grass blocks generating underwater (Windmill-City)
* Fixed waterlevel being wrong (Windmill-City)
* Fixed biomes being one chunk offset (Pseudonomenclature)
* Increased the spawn chance of the townhall for testing
* Streets now use Dark Grey Concrete as the road base
* Added more loot variety to chests
* Added a check for if ATG is loaded
* Started work on the MWC pallete
* Lang credits:
* Blueberryy (ru_RU.lang)
* MCUmbrella (zh_CN.lang)
* Lykrast (fr_FR.lang)