Changes made to the original 4.7.1-tdm64-3 install:

- Removed readme files.
- Removed the leftover __installer folder.
- Removed the share folder.
- Added OpemMP support.
- Added rm.exe from GCC 3.4.2.
- Added gdb32.exe and gdbserver32.exe from TDM-GCC 4.7.1 (x86).