Rich Decoded Data - Add # Active PDs
Adds the number of active (>0 hits) PDs to the RICH decoded data structure.
Also update a few static number types in LHCbKernel to use smaller 8bit types.
Adds the number of active (>0 hits) PDs to the RICH decoded data structure.
Also update a few static number types in LHCbKernel to use smaller 8bit types.