Dooglamoo Worlds

Added woodland mansion generation.
Made snowy spruce forest generate more often in cold taiga and frozen river climate.
Added possibility of large ferns and mega spruce trees generating in frozen river climate.
Replaced some surface dirt cover with coarse dirt to prevent grass takeover.
Removed error message when no geofeatures folder is present in config dir.
Removed orchid, melon, and pumpkin generation in cold climates.
Removed packed ice and ice as surface cover blocks. Packed ice is still found in glaciers, spikes, and under surface in ice plains climate.
Removed mega spruce trees from normal taiga climate. Now only found in mega taiga and frozen river climate.
Reduced amount of clay found in sandstone strata.
Fixed possible crash when reading the edges of user made maps.
Fixed villages sometimes generating in oceans and rivers.