add trailign slash to campaigns url
add trailign slash to campaigns url

unicef/rhizome,SeedScientific/polio,SeedScientific/polio,unicef/rhizome,SeedScientific/polio,unicef/polio,unicef/rhizome,unicef/polio,unicef/polio,SeedScientific/polio,unicef/rhizome,SeedScientific/polio,unicef/polio