Users can now edit base_image/startup.cfg without git paying attention to it. Typing `make` and using the default works, too.
Test with: find -name '*.asm' | while read f; do echo $f && touch $f && make | grep 'fox32asm 0.' || break; done If the last line of output is a filename, that means this file isn't tracked as a dependency.
Fixes issue #3