fix: workdir with iPhone Simulator
Merge pull request #23 from yinjimmy/dev

fix: workdir with iPhone Simulator
support set touchable tag in resource
fix miss set node touchable error
touch utility
touch sample
add parent pointer to sprite
reverse lookup
throw an error when mount sprite twice
Merge branch 'master' of github.com:cloudwu/ejoy2d into public
export lua symbol
remove api sprite.retrieve
去掉void*的隐式转换
Merge pull request #25 from actboy168/bug-fix

去掉void*的隐式转换
add sprite.ps to set position and scale to sprite
No need screencoord for sprite.draw now
change sprite.test api
add sprite.sr for set scale and rotation
add iOS planthom gesture interface
Merge branch 'master' of ssh://oa.ejoy.com/ejoy2d