add project file
add scene and test function
add propertybrowser widget
add funcitons in browser
add signal and slot in browser
add signal and slot between  propertybrowser and main window.
add function import and export in qscene
add slot in scene.
less code or qscene slot
add signal and slot
qccnode need refactor !!
add name and classType in qccnode, add working plan
add slot setResource.
refactor main window when application strait
add parser for read and write xml.
add interface for parse xml read and write
add copy del paste function, del has bug.
refactor code
refactor code , complete copy paste del function
refactor code over. bug fix.
add single from scene to treeModel. add property init.
sync point between scene and property