Added support for mail digests

app/models/NotificationDigestStatus.scala

@@ -0,0 +1,15 @@
+package models
+
+import com.mohiva.play.silhouette.api.LoginInfo
+import models.profile.api._
+import slick.lifted.Tag
+
+case class NotificationDigestStatus(user: LoginInfo, lastChangelogIdOption: Option[Int])
+
+
+class NotificationDigestStatuses(tag: Tag) extends Table[NotificationDigestStatus](tag, "notification_digest_status"){
+  val user = new LoginInfoColumns("user", this)
+  def lastChangelogId = column[Int]("last_changelog_id").?
+  def * = (user(), lastChangelogId) <> (NotificationDigestStatus.tupled, NotificationDigestStatus.unapply)
+  def idx = index("notification_digest_status_user_idx", user(), unique = true)
+}