fix capitalization on a SECTION
compile with preprocessor outputs
make extras/ a submodule

Use pokemontools v1.3.0 and use the same preprocessor as the pokecrystal
project.
bump submodule to get a gbz80disasm fix
make pokeblue.gbc compile again
Merge branch 'use-pokemontools' into master

Conflicts:
	extras
	extras/analyze_incbins.py