[Nc-Core] Add allocator management for the template class Node.
Add Depth method for the AbstractGraphPolitic.
[Nc-Core] Add _throwErrorAtUnknownCommand inside EventManager class.
[Nc-Core][Xml] Add todo, to manage xml unicode files.
[Nc-Graphics][GL] Updated scissors callstack infos.
[Nc-Graphics] RenderChildsBegin returns now a boolean.
If it returns false, the childs won't be rendered.
Merge branch 'dev' of github.com:PoncinMatthieu/3dNovac into dev