Updated macros that rely on the GROUP_, MAP_ constants to use the map macro
Added GROUP_NONE and MAP_NONE for the sake of compatibility with this new scheme
Added new macro elevfloor to simplify the definition of elevators under this new scheme
Interpretation of the Decoration Attributes table is complete.
Other changes include some more event flag and function naming, as well as a minor tweak to the person_events of every map.
Trainer data in map scripts is now a macro-defined structure.
Field move functions in main.asm are now nearly completely annotated, with local references.
Trailing white space deleted.