NeoGeo

- CD fixes and improvements (paulb-nl).

- Fix all async clocks to improve stability based on Gyurco changes.

- Further internal improvements to relax timings and better build-to-build stability.

- Support for Metal Slug 5 Plus, V-Liner, Jockey GP, KOF98 AE/UM.

- updated romsets.xml to reflect recent changes.

- Other fixes and improvements.