async task pool
add createAsync
add async task callback dipatcher, call it in the main thread
add async load test
fix ~ThreadTasks() bug
modify async load sample
refactor async load callback funtion
add comment
modify comment
createAsync comment
correct unsuitable word
merge cocos
merge cocos
restrict capInsets of ui::ImageView, ui::Slider and ui::LoadinbBar
Merge branch 'newcode' into sync_load
remove return value of enque
make bundle thread safe
make it thread safe
make it thread safe
make bundle thread safe