Things Done [@ksugiarto]:
(1) Adding fresh 'Event Exam', 'Question', 'Event Matter', 'Event Participant'.
(2) Working on Event Exam and Question pages.
(3) Working on Event Matter pages, which can upload document in format 'doc, docx, and pdf'.
(4) Working on Event Participant pages, which is using 'Wizard style steps'.
(5) Adding mailer.
(6) Working on Fixing Participant.
(7) Working on Close and Review Participant, also saving Teacher's histories.
(8) Adding new Gem: 'best_in_place' that used in reviewing Event Participant.

Next do Do:
(1) Person In Charge List.
(2) Report Function.
(3) Fixing print invitation.