* Alert Rules use Carbon
Use carbon for time queries, need to be careful of timezone quirks. Timestamps won't have that issue
* Convert existing schedules to UTC
* we only need start end... we already have start/end
* Make AlertSchedule::isActive work
* Table display working (and using Eloquent)
* Schedule creation updated
* WIP
* use Eloquent mutators/accessors
* recurring_day mutator/accessor
* WIP UI
* Fix SQL to handle outside times
* fix up some ui issues
* Convert alert-schedule to new style
Improved sorting customization
* fix whitespace
* support sqlite
* Fix schedule creation missing id
* Fix Device::isUnderMaintenance() add location relation