add message mechanism
modify .project
add some objects~
add some annotation~
Merge branch 'feature/newplayer' into develop
aaa
add new feature
coding
coding
add control
coding
coding
coding
Merge branch 'develop' into feature/newplayer
Merge branch 'feature/newplayer' into develop
delete the old code,and copy the old codes to oldplay.js
Merge branch 'feature/newplayer' into develop
hide audio control
delete some useless files
modify the url load strategy