Windows-friendly structure for VS2010.
Remove stdbool, not found on Windows.
Fix windows warnings and errors.
Proper check for num_steps.
Add pthreads libraries to project.
Add wallclock timing.
Move threshold calculation within timer.
Put start/end time in main.
Cast malloc'd memory.
Add board_threaded stubs.
Include paths to dll for running pthreads.
Add initial pthreads code to board_threaded
Implement check_board_threaded
Factor shift_column and shift_row out.
Fix off-by-one error. Results now match.
Implement shift_board_threaded.
Add dependencies to Release config.
Enable core dumps for memory leaks in rbs.
Set default cmd line args.
Correct parallel shifting.