Convert assets to CLX
Converted using the following commands:
```
cd Packaging/resources/assets
pcx2clx --transparent-color 1 --num-sprites 256 fonts/*.pcx && rm fonts/*.pcx
pcx2clx --num-sprites 2 ui_art/dvl_but_sml.pcx && rm ui_art/dvl_but_sml.pcx
pcx2clx --transparent-color 1 data/hintbox.pcx data/hintboxbackground.pcx && rm data/hintbox.pcx data/hintboxbackground.pcx
pcx2clx --transparent-color 1 --num-sprites 6 data/hinticons.pcx && rm data/hinticons.pcx
pcx2clx --num-sprites 2 data/panel8buc.pcx data/dirtybuc.pcx data/dirtybucp.pcx && rm data/panel8buc.pcx data/dirtybuc.pcx data/dirtybucp.pcx
pcx2clx --transparent-color 1 data/healthbox.pcx && rm data/healthbox.pcx
pcx2clx --transparent-color 1 --num-sprites 6 data/resistance.pcx && rm data/resistance.pcx
pcx2clx --transparent-color 1 --num-sprites 5 data/monstertags.pcx && rm data/monstertags.pcx
pcx2clx --transparent-color 1 data/stash.pcx && rm data/stash.pcx
pcx2clx --transparent-color 1 --num-sprites 5 data/stashnavbtns.pcx && rm data/stashnavbtns.pcx
pcx2clx **/*.pcx && rm **/*.pcx
git checkout master -- ui_art/black_diablo.pcx ui_art/black_hellfire.pcx data/charbg.pcx data/talkbutton.pcx data/panel8bucp.pcx
rm ui_art/black_diablo.clx ui_art/black_hellfire.clx data/charbg.clx data/talkbutton.clx data/panel8bucp.clx
```
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