maarten/aardbei: Sprankelprachtig aan/afmeldsysteem

Sprankelprachtig aan/afmeldsysteem

Maarten van den Berg f9e22be538 Add Subgroup-reference to participant		7 yıl önce
..
migrate	f9e22be538 Add Subgroup-reference to participant	7 yıl önce
schema.rb	f9e22be538 Add Subgroup-reference to participant	7 yıl önce
seeds.rb	af3e51f85b Fix crash when not seeding in production	7 yıl önce