Add more stage 2 scripts, have stage 2 zero out at the end
Add section 5.8 (Libstdc++-4.8.2) to stage 2
Add section 5.9 (Binutils-2.24 - Pass 2) to stage 2
Add section 5.10 (GCC-4.8.2 - Pass 2) to stage 2
Rename stage 2 scripts for better directory ordering