Save a union by candidate
Fix a manager to best_votes in VoteManager

Add another manager to filter Voting with candidate is featured
Create a new field in candidate model

Create a boolean field is_featured
Add new fields about candidate
Change search fields options
Add new fields candidate and do get_absolute_url
alter migration
Fix the filter manager  featured
Change the position to get a birthdate
Increase a max_length in schooling field
Change the migration
Create a random manager in candidate
Uncomment process upload image