removed type from notifications
combined user / search / notifications into single table
removed search and user scaffolds
added Contact struct to the notification model
created maybe scope for notifications model
created notification generator to handle sending notifications when new data is set
added notification generator to the pet populator controller
moved notification emailing and texting to the notification sender
Merge branch 'reverse-search'
Created the NotificationSender class to handle loading matching notifications and sending out emails / texts