[Nc-Core] Add Assert.cpp and put the code from Assert.h into it to force compilation and adding the symbols.
(got the problem of undefined symbole on g++4.6.3)
Merge branch 'dev' of github.com:PoncinMatthieu/3dNovac into dev
[Nc-Core] Correct assert method not included correctly into the symbols.
[Nc-GUI] Set RenderChildsBegin() method to return true.
Merge branch 'dev' into _treeWidget