* Adds entrance exam information to the Course Overview object
* Enables hiding other tabs since the get_course_tab_list uses
a Course Overview
* Enables using the entrance exam helper functions to determine
if Entrance exams are being used in this course.
* Posts a message when Entrance Exam is passed to parent container for
usage in the Learning MFE
* Overrides the 'title' field of the courseware tab since the Learning MFE
uses that over the 'name' field.
d43ece5dba