Added dumping of GL_UNSIGNED_INT values in a mesh data

Change-Id: I7ec47b60eea85c51ddd4701c53ca9e5e61f8a50a
Reviewed-by: James Turner <james.turner@kdab.com>
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
Init m_effect to null in material.cpp

Change-Id: I42a47aad81ed5e1daab875d4b68ae11b336398b8
Reviewed-by: James Turner <james.turner@kdab.com>
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>