Clean up Makefiles
Use -o out dir for intermediate output too
Make list_match test non-completely-trivial to GC
Add iOS OpenGL skeleton
Update Editor project for new dep locations
Add int_lit helper
Generalize match_fail as fail_with_code
Remove old dead env codegen
Have _popenv actually shrink env tables
Add -fstrict-aliasing to runtime CFLAGS

Note that the env/extr runtime is still just using uintptr_t for
everything and casting everywhere.
Add function name to stack map
Nest and clarify GC runtime logs
Add optional color to GC logging