area.cpp: ~Area(): delete Tiles, Doors, TileType images
area.cpp: ~Area(): delete Tiles, Doors, TileType images

We weren't freeing these newly utilized objects upon Area deletion.
This led to memory leaks when switching areas.

pariahsoft/TsunagariC,pmer/TsunagariC,pariahsoft/Tsunagari,pariahsoft/TsunagariC,pariahsoft/Tsunagari,pariahsoft/TsunagariC,pariahsoft/Tsunagari,pmer/TsunagariC,pariahsoft/Tsunagari,pmer/TsunagariC