Fix a bug that prevented bullet charts from displaying values
Fix a bug that prevented bullet charts from displaying values

Bullet charts were relying on the old campaign objects that were created
for the dropdowns. Update the code that retrieves the bullet chart value
so make a comparison between two campaign objects with start_date
properties.

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