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

updating my repo...
Merge pull request #92 from LI-HE/gh-pages

debugged playback video and added font back to DND game
Merge pull request #19 from SMU-SIS/gh-pages

update
Touch up Index page loading with duplicate items showing issue
Merge pull request #93 from ruijunhuang2010/gh-pages

Touch up Index page loading with duplicate items showing issue
solve practice level tab issue

Level and Path tab content disappear after click the level button second
time
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