Enable a few warnings by default; clean up warning descriptions
Enable a few warnings by default; clean up warning descriptions

projedi/nasm,projedi/nasm,techkey/nasm,letolabs/nasm,letolabs/nasm,turingstudio/nasm,techkey/nasm,techkey/nasm,Distrotech/nasm,letolabs/nasm,techkey/nasm,turingstudio/nasm,Distrotech/nasm,projedi/nasm,turingstudio/nasm,techkey/nasm,Distrotech/nasm,Distrotech/nasm,turingstudio/nasm,projedi/nasm,projedi/nasm