Support "SM(H)F or Sinclair per age group" mode.

[jflamy]

Describe the solution you'd like
In small Masters meets, there is often only one competitor per agegroup/weight class combo, but 2 to 4 athletes in the same age group. Award medals based on the SM(H)Ffor each age group. Provide relevant report for medals and adjust leader notion accordingly.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.

[jflamy]

merged with #997