a
Added a node model.

Model contains the color.
Scene now creates a view based on the model received.
Updated objectives;

Box now has a scale change;
Added debug support for Firefox because in Chrome doesn't work;
Added Firefox development launch;
Added group model support;

Working with 2 pillars;
Added support for custom position for boxes;
SceneGraph now renders groups;
Added 3 different (color) pillars;
Added support for width, height and length for boxes;
Updated objectives;
Updated objectives;
Added plane support;

Millestone 1 ended;
Merge branch 'floor-and-3-box-pillars' into Silver