Adds some different types of terrain landfill, allows landfill to overwrite existing terrain

version 0.2.4:
+ Check item_to_place_this table exists.

version 0.2.3:
+ Use builtin factorio item_to_place_this table instead of building own copy.

version 0.2.2:
+ Landfill will not overwrite minable tiles (stone, concrete etc.)

version 0.2.1:
+ Replacing terrain with a different variation of the same landfill item does not cost landfill.

version 0.2.0:
+ Update for factorio 0.16
+ Reduce number of landfill types, each type now can paint multiple variations. Rotate while holding landfill in cursor to cycle variation.
+ Previously unintended bot landfill placement feature is now enabled for all landfill types

version 0.1.3: * Add red-desert landfill

version 0.1.1: * Update for angels refining 0.7.12

version 0.1.0: * Factorio 0.15 update

version 0.0.5: * Only replace water edge graphics if they are not already modified (Compatibility with water-fix mod)

version 0.0.4: * nil check for for compatibility with mods that remove water allowed_neighbors table.

version 0.0.3: * Add recipe for making mud without limestone byproduct when running with Angels refining.

version 0.0.2: * Added migration script so recipes unlock if added to a game after landfill is already researched * Add config.lua to adjust landfill resource cost