student_lightbox_report.js.coffee.erb : offering ID is last digits.
(cherry picked from commit 5456a3bec779b4bebcc8dd469631154e070d926f)
Student_lightbox_report: Serialize Ajax requests. Refresh time = 5 sec.

[#59237822]
https://www.pivotaltracker.com/story/show/59237822
(cherry picked from commit c3189b29a504b8e341b1b944027a9df16e0c97c3)