cherry picked the bug fixing on order_before and shipping_date into master
Reduce the amount of coffee in the largest subscription. Need to get below the 1kg threshold.
Also update the prices.
show pric_pr_month in the active admin for subscription.
Merge branch 'bugfix_in_master'
Mergo branch 'master' of github.com:stabenfeldt/kaffesmak
reduce_amount_in_the_largest_subscription