This project is an application skeleton. It is used for a HKUST Software Engineering Course (COMP3111/H) in Fall 2016/17. My goal: The project is not asking students to re-produce the sample project. We should encourage students to do something better than the TA.
…ber has joined the event
use angular to control the show/block of the join button key.
Join button will become leave button after user has joined the event.
Once the event removed, the selection user had made will be flushed.