TPT: Prevent THDR from counting towards stacked particle limit
TPT: Remember ctype when cloning lava
TPT: STOR should not conduct heat
TPT: Make ambient heat convection work a bit better
TPT: Update version
Missing includes and declarations for Linux
Linux fix with SDL_syswm
Remove debug printing from brush
Use SDL by default
Merge tag 'build179'

Chaos.powdertoy Autobuild - 179, Version 80.4
New upstream release
Use C++ allocation and deletion for Brush memory
Free platent and elements
Menu frees any added items
Free tools
RenderOptions controller should delete its callback
Better freeing for memory in GameSave
Ensure partsSimIndex is freed upon success state of OPS parsing
Don't rely on Window class freeing for components that may not be added
Controllers should free their callbacks and views