edx/edx-ora2 — pull request #563 by stephensanchez (2014-07-31 16:55:51+00:00)
Title: Adding checks to the alerts for student training.

Fix for ORA-728 and ORA-729 - Alert messages when there are no training examples and alerts when student training is disabled.

Now checking both scenarios before display an alert. Added tests accordingly.

@wedaly @gradyward