Did research to determine how the Japanese Colosseum Bonus Disc modifies the ExternalEventData fields. The Ageto Celebi flag, as well as the flag for the three PokeCoupon title rewards, have been documented and included into the struct.
The PokeCoupon fields are actually 3-byte fields, so they have been turned into bitfields, since u24 isn't possible.
Also discovered that Channel and US Colosseum Bonus Disc Jirachi use the same flag, so renamed that flag and commented to explain.
Also made general comments explaining how the ExternalEventData and ExternalEventFlags are applicable to Emerald specifically.
Per discussion on pret, `obedient`/`fatefulEncounter` has been renamed to `eventLegal`, and all related functions and constants have been modified with this in mind.
Additionally, fixed some whitespace alignment issues in `script_cmd_table.h`, `pokemon.h`, and `tv.c` from the last commit.
The giftRibbons field has been split out into proper subfields. The new ExternalEvent structs deal with interconnectivity between external games/peripherals and Emerald, such as PokéCoupon storage and the flag for receiving Wishmaker Jirachi.
The giftRibbon fields in `PokemonSubstruct3` have also been renamed to their appropriate ribbons, and commented with distribution info if applicable. The previous `fatefulEncounter` field was actually filler, and relabeled as such, while the obedient bit was renamed `fatefulEncounter`. All relevant constants and functions dealing with the Pokémon data structure were renamed with these changes in mind.
Deokishisu