handle scala.math.BigDecimal in anorm statements
whitespace only
rename AlertModel.getAlerts to AlertModel.findAlertByID for consistency
alert frequency constraint (>= 10), default to 60
use alertaction for verifying alerts exist & are manageable
soft delete alerts
cleanup alerts a little bit.

subscription url had user id in it, but only allowed current user.
use an option for alert owner, since user may have been deleted.
reorder routes to avoid conflicts