Bonus HP/SP Vanish updates:
* Added 'bonus3 bHPVanishRaceRate,r,n,x' (2074) and 'bonus3 bSPVanishRaceRate,r,n,x' (2075)
* Corrected documentation about 'bHPVanishRate' and 'bSPVanishRate', rate should be n/100%, 10000 for 100%
* 'bHPVanishRate' and 'bSPVanishRate' applied regardless the target's Race and map (before, if target is player bHPVanishRate only works in PVP/GVG maps)
* Changed Velum item scripts:
* (1294) Velum_Scare to 'bonus3 bSPVanishRaceRate,RC_Player,10000,10;'
* (1395) Velum_Buster to 'bonus3 bSPVanishRaceRate,RC_Player,10000,10;'
* (18113) Velum_Arbalest to 'bonus3 bSPVanishRaceRate,RC_Player,10000,4;'
* (21002) Velum_Katzbalger to 'bonus3 bHPVanishRaceRate,RC_Player,10000,8;'