[DEV] start big rework of the shared pointer on objects
[DEV] step one to build
[DEV] it compile but it can not work now ...
[DEV] Better interface
[DEV] stabilize shared object interface
[STYLE] change NULL in nullptr
[DEV] remove some unneded copy
[DEV] start rework remove object
[DEV] update some API
[DEV] change resource in shgared pointer
[DEV] update windows shared pointer in context
[DEV] remove owner interface to simplify
[DEV] Better shared pointer management (nearly work)
[DEV] add owner to auto remove an object
[DEV] WSlider list correction ==> might be rewrite with correct refs
[DEV] shared system work corectly with simple example
[DEV] remove errors
[DEV] seem to work, but the result is really bad ...
[DEV] correction of virtual and refcounter of objects
[DEBUG] remove memory leek