Merge pull request #30 from ChrisBoesch/master

update
change update player location
Merge pull request #270 from ruijunhuang2010/master

update
Merge pull request #31 from ChrisBoesch/master

Merge pull request #270 from ruijunhuang2010/master
minor change
Merge pull request #271 from ruijunhuang2010/master

update
Merge pull request #12 from ChrisBoesch/master

update
solved nav bar links faulty accross all play pages
Merge pull request #272 from LI-HE/master

solved nav bar links faulty accross all play pages
Merge pull request #90 from ChrisBoesch/master

Updates