Merge pull request #19 from SMU-SIS/gh-pages

updating my repo...
Merge pull request #93 from ruijunhuang2010/gh-pages

Touch up Index page loading with duplicate items showing issue
Merge pull request #94 from ruijunhuang2010/gh-pages

update
Merge pull request #20 from SMU-SIS/gh-pages

updating my repo...
updated Mock-up design

for challenges.html and registration.html
Merge pull request #95 from ShaikDawood/gh-pages

updating challenges and registration.html pages
Merge pull request #27 from SMU-SIS/gh-pages

update
fixed for the auto advance and video pop up close when encounter unplayable video
Merge pull request #96 from LI-HE/gh-pages

fixed for the auto advance and video pop up close when encounter unplayable video
Merge pull request #20 from SMU-SIS/gh-pages

update