Fixed ROMs for use with GrantG's "GameBoy Online". The original ones 
had incorrect header checksums.

These ROMs are linked in this post:
http://gbdev.gg8.se/2010/09/yet-another-gameboy-emulator-written-in-javascript/

Original location:
hxxp://grantgalitz.org/gameboy/romStorage/TEST.GB
hxxp://grantgalitz.org/gameboy/romStorage/proxima.gb