/// <summary>
 /// Adds a given headline to the context.
 /// </summary>
 /// <param name="model">The <c>HeadlineModel</c> to add.</param>
 public void AddHeadline(HeadlineModel model)
 {
     context.HeadLines.Add(model);
 }
 /// <summary>
 /// Updates the info about a Headline entry in the database.
 /// </summary>
 /// <param name="entity">The <c>HeadlineModel</c> to be updated.</param>
 public void Update(HeadlineModel entity)
 {
     context.Entry(entity).State = EntityState.Modified;
 }