HyperSpin MAME 0.266 Update

Another month, and another few Galaxian clones...
18 new (working - arcade only) games this month.
New Parents:
Advisor (Italian bootleg of Space Fury) [spacfurybl]
Double Dragon (Japan set 2) [ddragonja]
Jumbo Godzilla [jumbogod]
Medal Network: Rockman EXE [mnrockman]
Power Ball (prototype) [pwball]
New Clones:
Tetris (bootleg set 7, with OKI M5205) [atetb5205]
Bongo (Galaxian hardware) [bongog]
Brick Blast (bootleg of Wall Crash) [brkblast]
Frog (Hermatic, bootleg on Galaxian hardware from Electro Game) [froggeg]
Video Hustler (bootleg, set 5) [hustlerb7]
Jump Bug (bootleg, set 2) [jumpbugbrf]
Super Galactic Wars (bootleg of Galaxian) [sgalwars]
Superbike (bootleg on Galaxian hardware) [superbikg]
The Glob (Pac-Man hardware, set 2) [theglobpa]
Trojan (Romstar, set 2) [trojanra]
Zero Time (Spanish bootleg, set 2) [zerotimeb]
Updated Roms:
Hammer Champ (Japan) [hammerch]
Jackal (World, Rotary Joystick) [jackalr]
Removed Roms:
Double Dragon (Japan) [ddragon]