Minor jEnesisDS update. (v0.7.4)

[Azul Fria]

http://www.zophar.net/consoles/nds/genesis/jenesisds-v0-7.html

Changes added to v0.7.4
------------------------

-No new features
-Speed increased by 30%
-Sound is a lot better

[The 9th Sage]

Niice. I didn't know about this yet. JenesisDS never ceases to amaze me. I can't believe Lordus improved performance like this yet again.