[kihx] Apply a custom memory allocator to std::vector.

- Add StlAllocator, which exploits IAllocable.
- Use StlAllocator for std::vector.
- Implement LFHAllocator::PrintMemoryUsage() to debug allocation.
[rasterizer] Add CRT memory leak detector.

- Add CRT memory leak detector.
- Fix a process exiting lock.
- Reorder include directives by alphabetic order.