- Merge to trunk r37270.

- Merge to trunk r37270.
- Modified rbuild files to conform to trunk.
- Added spec file for bzip2
- Covert user32 to use pspec and use it for WIN64 specific exports.
- Added liboldnames in rbuild, needed to fix explorer build.
- Comented out code in mingw startup lib that requires linking to kernel32 (mostly security cookie code, which is not used).
- Remove unneeded stubs from amd64stubs.c
- i386 builds again, explorer crashes, need to investigate further.

svn path=/branches/ros-amd64-bringup/; revision=37279