Changes made to the original 4.9.2-tdm64-3 install:

- Removed readme files.
- Removed the leftover __installer folder.
- Added OpemMP support.
- Added rm.exe from GCC 3.4.2.
- Added gdb32.exe and gdbserver32.exe from TDM-GCC 4.9.2-tdm-3 (x86).