Update max_age to 1 year
Update max_age to 1 year

525600 == 325 * 24 *60 which is a year in minutes
but max_age is in seconds, not minutes
mrads/sinatra-asset-pipeline,finkelm/sinatra-asset-pipeline,kalasjocke/sinatra-asset-pipeline,penguinstampede/sinatra-asset-pipeline,finkelm/sinatra-asset-pipeline,penguinstampede/sinatra-asset-pipeline,mrads/sinatra-asset-pipeline