removing some dead code
adding class it check retina status
updated for retina display
some work on drawing of lines rects handles etc in the cocos scene
ccgraphedit changes
some changes
scenegraph treeview work
wip
more work on graph and selection
wip
wip
working position dragging sets position
bindings work in both directions
wip
node properties init themselves
more wip on properties
fix moving nodes causing signal recursion
cleaning up
added content size
cleanup