[ads] counter_cache for ads/users relations
[ads] counter_cache for ads/users relations

alabs/nolotiro.org,alabs/nolotiro.org,apardo/nolotiro.org,apardo/nolotiro.org,alabs/nolotiro.org,alabs/nolotiro.org,apardo/nolotiro.org,apardo/nolotiro.org