title: EF 5. "Automatic migration was not applied because it would result in data loss" - only changed the column name
body: <p>I have:</p>
  
  <pre><code>AutomaticMigrationsEnabled = True
  AutomaticMigrationDataLossAllowed = False
  </code></pre>
  
  <p>in my configuration file and the existing model is:</p>
  
  <pre><code>Public Property ID() As Integer
  Public Property ERP_ArticleCode() As String
  Public Property description() As String
  </code></pre>
  
  <p>All I did was change the 3rd column from "description" to "am_description" and ran "update-database -verbose" which resulted in "Automatic migration was not applied because it would result in data loss"!</p>
  
  <p>I do not understand this... why can't I just change a column name and update the database - this shouldn't be a dataloss issue, should it?  Am I doing something wrong?</p>