Merge pull request #326 from ruijunhuang2010/master

Merge pull request #47 from ChrisBoesch/master
Merge pull request #327 from ruijunhuang2010/master

able to add video on mobile device
Merge pull request #328 from ruijunhuang2010/master

change back the necessary code for support path edition
sloved the test data issue for tags
Merge pull request #329 from LI-HE/master

sloved the test data issue for tags api call
Merge pull request #48 from ChrisBoesch/master

update